feat: config refresh

The goal of this commit was to break my config into smaller, logical
chunks. I was having a hard time remembering which file contained which
plugin config.

I also took the time to clean out some plugins I added but never used,
and add an old favourite (tpope/vim-surround).

lua/plugins/treesitter.lua

@@ -27,12 +27,6 @@ return {
 			require("nvim-treesitter.configs").setup(opts)
 		end,
 	},
-	-- {
-	-- 	"nvim-treesitter/nvim-treesitter-context",
-	-- 	opts = {
-	-- 		max_lines = 2,
-	-- 	},
-	-- },
 	{
 		"windwp/nvim-ts-autotag",
 		event = "VeryLazy",