Examine source code of To-Do-List

{
  "description": "A to-do-list extension which allow user to keep a track of their task with a reminder according to the time set",
  "manifest_version": 2,
  "name": "To-Do-List",
  "version": "2.0",
  "homepage_url": "https://github.com/EngKhong1006/extension.git",
  "browser_action": {
    "default_icon": "icons/main_todo.png",
    "default_title": "To-Do-List",
    "default_popup": "popup/index.html"
  },
  "background": {
    "scripts": [
      "popup/background.js"
    ]
  },
  "permissions": [
    "storage",
    "notifications"
  ]
}