Examine source code of I Notes

{
  "name": "I Notes",
  "version": "1.8.1",
  "description": "i Notes is a lightweight, easy-to-use extension for taking quick notes, saving developer commands",
  "permissions": [
    "storage",
    "notifications",
    "alarms",
    "identity"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_popup": "popup.html"
  },
  "icons": {
    "32": "assets/note.png",
    "48": "assets/note.png",
    "96": "assets/note.png",
    "128": "assets/note.png"
  },
  "web_accessible_resources": [
    "mylife.js"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "oauth2": {
    "client_id": "112404701625-va4cnbnnlhm68kcv248rs91plojci4at.apps.googleusercontent.com",
    "scopes": [
      "profile",
      "email"
    ]
  },
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "i-notes@example.com"
    }
  }
}