Add comment plugins

Add Comment.nvim for commenting out code more easily, and
todo-comments.nvim for highlighting on TODO-type code comments.

lua/plugins/comments.lua

@@ -0,0 +1,15 @@
+return {
+    -- add this to your lua/plugins.lua, lua/plugins/init.lua,  or the file you keep your other plugins:
+    {
+        "numToStr/Comment.nvim",
+        opts = {
+            -- add any options here
+        },
+        lazy = false,
+    },
+    {
+        "folke/todo-comments.nvim",
+        dependencies = { "nvim-lua/plenary.nvim" },
+        opts = {},
+    },
+}