Add `comments.lua` to plugins.

lua/custom/plugins/comments.lua

@@ -0,0 +1,23 @@
+return {
+  "folke/todo-comments.nvim",
+  dependencies = { "nvim-lua/plenary.nvim" },
+  config = function()
+    require("todo-comments").setup({})
+
+    -- Keymaps
+    vim.keymap.set("n", "]t", function()
+      require("todo-comments").jump_next()
+    end, { desc = "Next todo comment" })
+
+    vim.keymap.set("n", "[t", function()
+      require("todo-comments").jump_prev()
+    end, { desc = "Previous todo comment" })
+
+    vim.api.nvim_set_keymap(
+      "n",
+      "<leader>st",
+      ":TodoTelescope<CR>",
+      { noremap = true, desc = "[S]earch [T]odos" }
+    )
+  end
+}