Bunch of updates to NVIM setup for Windows

Updated Settings
* Added new keymaps in keys.lua
* improved LSP setup

Plugins Removed
* codellama
* hardtime

Additional Plugins added
* Added edgy
* Added neo-tree
* Added todo-comments
* Added which-key

lua/barink/plugins/todo-comments.lua

@@ -0,0 +1,8 @@
+return {
+    "folke/todo-comments.nvim",
+    dependencies = {
+        "nvim-lua/plenary.nvim"
+    },
+    opts = {
+    }
+}