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/neotree.lua

@@ -0,0 +1,35 @@
+return {
+	{
+		"nvim-neo-tree/neo-tree.nvim",
+		event = "VeryLazy",
+		branch = "v3.x",
+		dependencies = {
+			"nvim-lua/plenary.nvim",
+			"nvim-tree/nvim-web-devicons",
+			"MunifTanjim/nui.nvim",
+		},
+		keys = {
+			{ "<Leader>ee", "<cmd>Neotree toggle<CR>", desc = "Toggle Neotree" },
+			{ "<Leader>er", "<cmd>Neotree reveal<CR>", desc = "Reveal file" },
+		},
+		opts = {
+			open_files_do_not_replace_types = { "terminal", "trouble", "qf" },
+			filesystem = {
+				filtered_items = {
+					show_hidden_count = false,
+					hide_dotfiles = false,
+					hide_gitignored = true,
+					always_show = {
+						".env",
+						".env.local",
+					},
+					never_show = {
+						".git",
+						"thumbs.db",
+						".DS_Store",
+					},
+				},
+			},
+		},
+	},
+}