diff --git a/init.lua b/init.lua
index 89da77b..4c4c591 100644
--- a/init.lua
+++ b/init.lua
@@ -102,7 +102,7 @@ vim.opt.number = true
 -- vim.opt.relativenumber = true
 
 -- Enable mouse mode, can be useful for resizing splits for example!
-vim.opt.mouse = 'a'
+vim.opt.mouse = ''
 
 -- Don't show the mode, since it's already in status line
 vim.opt.showmode = false
@@ -184,6 +184,15 @@ vim.keymap.set('n', '<C-l>', '<C-w><C-l>', { desc = 'Move focus to the right win
 vim.keymap.set('n', '<C-j>', '<C-w><C-j>', { desc = 'Move focus to the lower window' })
 vim.keymap.set('n', '<C-k>', '<C-w><C-k>', { desc = 'Move focus to the upper window' })
 
+-- Newline on <CR>
+vim.keymap.set('n', '<CR>', 'o<Esc>', { desc = 'Newline on <CR>' })
+
+-- Clear hlsearch
+vim.keymap.set('n', '?q', ':set hlsearch!<CR>', { desc = 'Toggle hlsearch' })
+
+-- Drop line numbers
+vim.keymap.set('n', '?l', ':set number!<CR>', { desc = 'Toggle line numbers' })
+
 -- [[ Basic Autocommands ]]
 --  See :help lua-guide-autocommands
 
@@ -546,27 +555,14 @@ require('lazy').setup {
         -- But for many setups, the LSP (`tsserver`) will work just fine
         -- tsserver = {},
         --
-
-        lua_ls = {
-          -- cmd = {...},
-          -- filetypes { ...},
-          -- capabilities = {},
-          settings = {
-            Lua = {
-              runtime = { version = 'LuaJIT' },
-              workspace = {
-                checkThirdParty = false,
-                -- Tells lua_ls where to find all the Lua files that you have loaded
-                -- for your neovim configuration.
-                library = {
-                  '${3rd}/luv/library',
-                  unpack(vim.api.nvim_get_runtime_file('', true)),
-                },
-                -- If lua_ls is really slow on your computer, you can try this instead:
-                -- library = { vim.env.VIMRUNTIME },
-              },
-              -- You can toggle below to ignore Lua_LS's noisy `missing-fields` warnings
-              -- diagnostics = { disable = { 'missing-fields' } },
+        pylsp = {
+          pylsp = {
+            plugins = {
+              flake8 = { enabled = false },
+              mccabe = { enabled = false },
+              pycodestyle = { enabled = false },
+              pyflakes = { enabled = false },
+              ruff = { enabled = true },
             },
           },
         },
@@ -795,6 +791,29 @@ require('lazy').setup {
     end,
   },
 
+  -- Neotree
+  {
+    'nvim-neo-tree/neo-tree.nvim',
+    branch = 'v3.x',
+    config = function()
+      require('neo-tree').setup {
+        filesystem = {
+          filtered_items = {
+            hide_dotfiles = true,
+            hide_gitignore = true,
+          },
+          hijack_netrw_behavior = 'open_default',
+        },
+      }
+    end,
+    dependencies = {
+      'nvim-lua/plenary.nvim',
+      'nvim-tree/nvim-web-devicons', -- not strictly required, but recommended
+      'MunifTanjim/nui.nvim',
+      -- "3rd/image.nvim", -- Optional image support in preview window: See `# Preview Mode` for more information
+    },
+  },
+
   -- The following two comments only work if you have downloaded the kickstart repo, not just copy pasted the
   -- init.lua. If you want these files, they are in the repository, so you can just download them and
   -- put them in the right spots if you want.