diff --git a/init.lua b/init.lua
index e7ab8c8..b5e9df1 100644
--- a/init.lua
+++ b/init.lua
@@ -24,5 +24,6 @@ require('lazy').setup({
   require 'plugins.autocompletion',
   require 'plugins.gitsigns',
   require 'plugins.indent-blankline',
-  require 'plugins.misc'
+  require 'plugins.misc',
+  require 'plugins.copilot'
 })
diff --git a/lazy-lock.json b/lazy-lock.json
index 96e8fdf..adf2772 100644
--- a/lazy-lock.json
+++ b/lazy-lock.json
@@ -5,6 +5,7 @@
   "cmp-nvim-lsp": { "branch": "main", "commit": "99290b3ec1322070bcfb9e846450a46f6efa50f0" },
   "cmp-path": { "branch": "main", "commit": "91ff86cd9c29299a64f968ebb45846c485725f23" },
   "cmp_luasnip": { "branch": "master", "commit": "98d9cb5c2c38532bd9bdb481067b20fea8f32e90" },
+  "copilot.vim": { "branch": "release", "commit": "87038123804796ca7af20d1b71c3428d858a9124" },
   "fidget.nvim": { "branch": "main", "commit": "d9ba6b7bfe29b3119a610892af67602641da778e" },
   "friendly-snippets": { "branch": "main", "commit": "efff286dd74c22f731cdec26a70b46e5b203c619" },
   "gitsigns.nvim": { "branch": "main", "commit": "4baa13519c2168cc9a7890a3580c50226ed018fb" },
diff --git a/lua/core/keymaps.lua b/lua/core/keymaps.lua
index 781daf9..c095800 100644
--- a/lua/core/keymaps.lua
+++ b/lua/core/keymaps.lua
@@ -5,9 +5,10 @@ vim.keymap.set({ 'n', 'v' }, '<Space>', '<Nop>', { silent = true })
 
 local opts = { noremap = true, silent = true }
 
--- delete single character without copying into register
+-- Delete single character without copying into register
 vim.keymap.set('n', 'x', '"_x', opts)
 
+-- Improvement to up and down movements
 vim.keymap.set('n', '<C-d>', '<C-d>zz', opts)
 vim.keymap.set('n', '<C-u>', '<C-u>zz', opts)
 
@@ -18,10 +19,10 @@ vim.keymap.set('n', '<Left>', ':vertical resize -2<CR>', opts)
 vim.keymap.set('n', '<Right>', ':vertical resize +2<CR>', opts)
 
 -- Window management
-vim.keymap.set('n', '<leader>sv', '<C-w>v', opts) -- split window vertically
-vim.keymap.set('n', '<leader>sh', '<C-w>s', opts) -- split window horizontally
-vim.keymap.set('n', '<leader>se', '<C-w>=', opts) -- make split windows equal width & height
-vim.keymap.set('n', '<leader>xs', ':close<CR>', opts) -- close current split window
+vim.keymap.set('n', '<leader>vs', '<C-w>v', { desc = 'Split window vertically' }) -- split window vertically
+vim.keymap.set('n', '<leader>hs', '<C-w>s', { desc = 'Split window horizontally' }) -- split window horizontally
+vim.keymap.set('n', '<leader>es', '<C-w>=', { desc = 'Equalize splits' }) -- make split windows equal width & height
+vim.keymap.set('n', '<leader>xs', ':close<CR>', { desc = 'Close split' }) -- close current split window
 
 -- Navigate between splits
 vim.keymap.set('n', '<C-k>', ':wincmd k<CR>', opts)
diff --git a/lua/core/options.lua b/lua/core/options.lua
index f061894..c2829ab 100644
--- a/lua/core/options.lua
+++ b/lua/core/options.lua
@@ -1,3 +1,5 @@
+vim.g.loaded_netrw = 1
+vim.g.loaded_netrwPlugin = 1
 vim.wo.number = true
 vim.o.relativenumber = true
 vim.o.clipboard = 'unnamedplus'
@@ -11,33 +13,33 @@ vim.o.shiftwidth = 2
 vim.o.tabstop = 2
 vim.o.softtabstop = 2
 vim.o.expandtab = true
-vim.o.scrolloff = 4 -- Minimal number of screen lines to keep above and below the cursor (default: 0)
-vim.o.sidescrolloff = 8 -- Minimal number of screen columns either side of cursor if wrap is `false` (default: 0)
-vim.o.cursorline = false -- Highlight the current line (default: false)
-vim.o.splitbelow = true -- Force all horizontal splits to go below current window (default: false)
-vim.o.splitright = true -- Force all vertical splits to go to the right of current window (default: false)
-vim.o.hlsearch = false -- Set highlight on search (default: true)
-vim.o.showmode = false -- We don't need to see things like -- INSERT -- anymore (default: true)
-vim.opt.termguicolors = true -- Set termguicolors to enable highlight groups (default: false)
-vim.o.whichwrap = 'bs<>[]hl' -- Which "horizontal" keys are allowed to travel to prev/next line (default: 'b,s')
-vim.o.numberwidth = 4 -- Set number column width to 2 {default 4} (default: 4)
-vim.o.swapfile = false -- Creates a swapfile (default: true)
-vim.o.smartindent = true -- Make indenting smarter again (default: false)
-vim.o.showtabline = 2 -- Always show tabs (default: 1)
-vim.o.backspace = 'indent,eol,start' -- Allow backspace on (default: 'indent,eol,start')
-vim.o.pumheight = 10 -- Pop up menu height (default: 0)
-vim.o.conceallevel = 0 -- So that `` is visible in markdown files (default: 1)
-vim.wo.signcolumn = 'yes' -- Keep signcolumn on by default (default: 'auto')
-vim.o.fileencoding = 'utf-8' -- The encoding written to a file (default: 'utf-8')
-vim.o.cmdheight = 1 -- More space in the Neovim command line for displaying messages (default: 1)
-vim.o.breakindent = true -- Enable break indent (default: false)
-vim.o.updatetime = 250 -- Decrease update time (default: 4000)
-vim.o.timeoutlen = 300 -- Time to wait for a mapped sequence to complete (in milliseconds) (default: 1000)
-vim.o.backup = false -- Creates a backup file (default: false)
-vim.o.writebackup = false -- If a file is being edited by another program (or was written to file while editing with another program), it is not allowed to be edited (default: true)
-vim.o.undofile = true -- Save undo history (default: false)
-vim.o.completeopt = 'menuone,noselect' -- Set completeopt to have a better completion experience (default: 'menu,preview')
-vim.opt.shortmess:append 'c' -- Don't give |ins-completion-menu| messages (default: does not include 'c')
-vim.opt.iskeyword:append '-' -- Hyphenated words recognized by searches (default: does not include '-')
-vim.opt.formatoptions:remove { 'c', 'r', 'o' } -- Don't insert the current comment leader automatically for auto-wrapping comments using 'textwidth', hitting <Enter> in insert mode, or hitting 'o' or 'O' in normal mode. (default: 'croql')
-vim.opt.runtimepath:remove '/usr/share/vim/vimfiles' -- Separate Vim plugins from Neovim in case Vim still in use (default: includes this path if Vim is installed)
+vim.o.scrolloff = 4
+vim.o.sidescrolloff = 8
+vim.o.cursorline = false
+vim.o.splitbelow = true
+vim.o.splitright = true
+vim.o.hlsearch = true
+vim.o.showmode = false
+vim.opt.termguicolors = true
+vim.o.whichwrap = 'bs<>[]hl'
+vim.o.numberwidth = 4
+vim.o.swapfile = false
+vim.o.smartindent = true
+vim.o.showtabline = 2
+vim.o.backspace = 'indent,eol,start'
+vim.o.pumheight = 10
+vim.o.conceallevel = 0
+vim.wo.signcolumn = 'yes'
+vim.o.fileencoding = 'utf-8'
+vim.o.cmdheight = 1
+vim.o.breakindent = true
+vim.o.updatetime = 250
+vim.o.timeoutlen = 300
+vim.o.backup = false
+vim.o.writebackup = false
+vim.o.undofile = true
+vim.o.completeopt = 'menuone,noselect'
+vim.opt.shortmess:append 'c'
+vim.opt.iskeyword:append '-'
+vim.opt.formatoptions:remove { 'c', 'r', 'o' }
+vim.opt.runtimepath:remove '/usr/share/vim/vimfiles'
diff --git a/lua/plugins/copilot.lua b/lua/plugins/copilot.lua
new file mode 100644
index 0000000..1a80487
--- /dev/null
+++ b/lua/plugins/copilot.lua
@@ -0,0 +1,3 @@
+return {
+  'github/copilot.vim',
+}
diff --git a/lua/plugins/lsp.lua b/lua/plugins/lsp.lua
index fd7199c..1e72c4b 100644
--- a/lua/plugins/lsp.lua
+++ b/lua/plugins/lsp.lua
@@ -169,6 +169,7 @@ return {
       sqlls = {},
       jsonls = {},
       yamlls = {},
+      gopls = {},
       lua_ls = {
         -- cmd = {...},
         -- filetypes = { ...},
diff --git a/lua/plugins/neotree.lua b/lua/plugins/neotree.lua
index 87a5dd3..eddec39 100644
--- a/lua/plugins/neotree.lua
+++ b/lua/plugins/neotree.lua
@@ -335,6 +335,6 @@ return {
     })
 
     vim.cmd([[nnoremap \ :Neotree reveal<cr>]])
-    vim.keymap.set('n', '<leader>e', ':Neotree toggle position=left<CR>', { noremap = true, silent = true })
+    vim.keymap.set('n', '<leader>ts', ':Neotree toggle position=left<CR>', { noremap = true, silent = true })
   end,
 }