nvim: the epic config restructure

.config/nvim/lua/plugins/nvim-tree.lua

@@ -1,13 +1,22 @@
--- nvim tree
-require("nvim-tree").setup({
-	update_cwd = true,
-	diagnostics = {
-		enable = true,
-	},
-})
+return {
+	"kyazdani42/nvim-tree.lua",
+	config = function()
+		-- nvim tree
+		require("nvim-tree").setup({
+			update_cwd = true,
+			diagnostics = {
+				enable = true,
+			},
+		})
 
--- close tab/vim when nvim-tree is the last window in the tab
-vim.api.nvim_create_autocmd("BufEnter", {
-	pattern = "*",
-	command = "if winnr('$') == 1 && bufname() == 'NvimTree_' . tabpagenr() | quit | endif",
-})
+		-- close tab/vim when nvim-tree is the last window in the tab
+		vim.api.nvim_create_autocmd("BufEnter", {
+			pattern = "*",
+			command = "if winnr('$') == 1 && bufname() == 'NvimTree_' . tabpagenr() | quit | endif",
+		})
+	end,
+	dependencies = {
+		"kyazdani42/nvim-web-devicons",
+	},
+	cmd = { "NvimTreeOpen", "NvimTreeToggle" },
+}