Removing Which-key, adding a bunch of small improvments

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gitsigns
oil as default explorer

lua/barink/plugins/Oil.lua

@@ -2,13 +2,13 @@ return {
     {
         "stevearc/oil.nvim",
         opt = {
-            default_file_explorer = false
+            default_file_explorer = true
         },
         dependencies = {
             'nvim-tree/nvim-web-devicons'
         },
-       config = function ()
-            vim.keymap.set("n", "-", "<CMD>Oil<CR>", { desc= "Open parent directory"})
+        config = function()
+            vim.keymap.set("n", "-", "<CMD>Oil<CR>", { desc = "Open parent directory" })
         end
     }
 }