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/trouble.lua

@@ -0,0 +1,15 @@
+return {
+	{
+		"folke/trouble.nvim",
+		dependencies = { "nvim-tree/nvim-web-devicons" },
+		opts = {},
+		cmd = "Trouble",
+		keys = {
+			{
+				"<Leader>tt",
+				"<cmd>Trouble diagnostics toggle<CR>",
+				desc = "Toggle Trouble",
+			},
+		},
+	},
+}