Initial nvim customization

* disabled arrowkeys in normal mode
* added <leader>pv as a shortcut for opening the file explorer
* fixed mason-lspconfig by adding required attributes 'automatic_installation' and 'ensure_installed'
* changed indent_width to 4

.stylua.toml

@@ -1,6 +1,6 @@
 column_width = 160
 line_endings = "Unix"
 indent_type = "Spaces"
-indent_width = 2
+indent_width = 4
 quote_style = "AutoPreferSingle"
 call_parentheses = "None"

init.lua

@@ -166,6 +166,7 @@ vim.keymap.set('n', '<Esc>', '<cmd>nohlsearch<CR>')
 -- Diagnostic keymaps
 vim.keymap.set('n', '<leader>q', vim.diagnostic.setloclist, { desc = 'Open diagnostic [Q]uickfix list' })
 
+vim.keymap.set('n', '<leader>pv', vim.cmd.Ex)
 -- Exit terminal mode in the builtin terminal with a shortcut that is a bit easier
 -- for people to discover. Otherwise, you normally need to press <C-\><C-n>, which
 -- is not what someone will guess without a bit more experience.
@@ -175,10 +176,10 @@ vim.keymap.set('n', '<leader>q', vim.diagnostic.setloclist, { desc = 'Open diagn
 vim.keymap.set('t', '<Esc><Esc>', '<C-\\><C-n>', { desc = 'Exit terminal mode' })
 
 -- TIP: Disable arrow keys in normal mode
--- vim.keymap.set('n', '<left>', '<cmd>echo "Use h to move!!"<CR>')
--- vim.keymap.set('n', '<right>', '<cmd>echo "Use l to move!!"<CR>')
--- vim.keymap.set('n', '<up>', '<cmd>echo "Use k to move!!"<CR>')
--- vim.keymap.set('n', '<down>', '<cmd>echo "Use j to move!!"<CR>')
+vim.keymap.set('n', '<left>', '<cmd>echo "Use h to move!!"<CR>')
+vim.keymap.set('n', '<right>', '<cmd>echo "Use l to move!!"<CR>')
+vim.keymap.set('n', '<up>', '<cmd>echo "Use k to move!!"<CR>')
+vim.keymap.set('n', '<down>', '<cmd>echo "Use j to move!!"<CR>')
 
 -- Keybinds to make split navigation easier.
 --  Use CTRL+<hjkl> to switch between windows
@@ -228,8 +229,8 @@ vim.opt.rtp:prepend(lazypath)
 -- NOTE: Here is where you install your plugins.
 require('lazy').setup({
   -- NOTE: Plugins can be added with a link (or for a github repo: 'owner/repo' link).
-  'tpope/vim-sleuth', -- Detect tabstop and shiftwidth automatically
-
+  'tpope/vim-sleuth',       -- Detect tabstop and shiftwidth automatically
+  'sindrets/diffview.nvim', -- Neovim diff plugin
   -- NOTE: Plugins can also be added by using a table,
   -- with the first argument being the link and the following
   -- keys can be used to configure plugin behavior/loading/etc.
@@ -279,7 +280,7 @@ require('lazy').setup({
   -- Then, because we use the `opts` key (recommended), the configuration runs
   -- after the plugin has been loaded as `require(MODULE).setup(opts)`.
 
-  { -- Useful plugin to show you pending keybinds.
+  {                     -- Useful plugin to show you pending keybinds.
     'folke/which-key.nvim',
     event = 'VimEnter', -- Sets the loading event to 'VimEnter'
     opts = {
@@ -325,7 +326,7 @@ require('lazy').setup({
 
       -- Document existing key chains
       spec = {
-        { '<leader>c', group = '[C]ode', mode = { 'n', 'x' } },
+        { '<leader>c', group = '[C]ode',     mode = { 'n', 'x' } },
         { '<leader>d', group = '[D]ocument' },
         { '<leader>r', group = '[R]ename' },
         { '<leader>s', group = '[S]earch' },
@@ -365,7 +366,7 @@ require('lazy').setup({
       { 'nvim-telescope/telescope-ui-select.nvim' },
 
       -- Useful for getting pretty icons, but requires a Nerd Font.
-      { 'nvim-tree/nvim-web-devicons', enabled = vim.g.have_nerd_font },
+      { 'nvim-tree/nvim-web-devicons',            enabled = vim.g.have_nerd_font },
     },
     config = function()
       -- Telescope is a fuzzy finder that comes with a lot of different things that
@@ -473,7 +474,7 @@ require('lazy').setup({
       'WhoIsSethDaniel/mason-tool-installer.nvim',
 
       -- Useful status updates for LSP.
-      { 'j-hui/fidget.nvim', opts = {} },
+      { 'j-hui/fidget.nvim',       opts = {} },
 
       -- Allows extra capabilities provided by nvim-cmp
       'hrsh7th/cmp-nvim-lsp',
@@ -685,6 +686,8 @@ require('lazy').setup({
             require('lspconfig')[server_name].setup(server)
           end,
         },
+        automatic_installation = true,
+        ensure_installed = {}
       }
     end,
   },