Examine source code of clippaste

{
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "48": "icons/beasts-48.png"
  },
  "browser_action": {
    "default_icon": "icons/beasts-32.png",
    "default_title": "Clip Paste"
  },
  "options_ui": {
    "page": "/popup/clipPage.html",
    "browser_style": true
  },
  "description": "Clip and Paste allows you to Enter a text in the Input box and access it across other devices",
  "manifest_version": 2,
  "name": "Clip Paste",
  "permissions": [
    "storage"
  ],
  "version": "0.3resigned1",
  "applications": {
    "gecko": {
      "id": "baghel.rahul159@gmail.com"
    }
  }
}