Add todo plugin for highlights & telescope integration

lua/plugins/todo.lua

@@ -0,0 +1,18 @@
+return {
+  'folke/todo-comments.nvim',
+  dependencies = { 'nvim-lua/plenary.nvim' },
+  config = function()
+    require('todo-comments').setup({
+      signs = false,
+      highlight = {
+        before = '',      -- Don't highlight before the match
+        keyword = 'fg',   -- Only highlight the foreground
+        after = '',       -- Don't highlight after the match
+      },
+      colors = {
+        info = { '#489dff' },
+      },
+    })
+    vim.keymap.set('n', '<leader>gt', ':TodoTelescope<CR>', { remap = false })
+  end
+}