Examine source code of Hindi Dictionary

{
  "name": "__MSG_extName__",
  "default_locale": "en",
  "version": "1.18resigned1",
  "manifest_version": 2,
  "description": "__MSG_extDetail__",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "icon-bitty.png",
    "48": "icon-small.png",
    "128": "icon-large.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_script.js"
      ],
      "run_at": "document_end"
    }
  ],
  "options_ui": {
    "page": "options.html",
    "chrome_style": true
  },
  "permissions": [
    "tabs",
    "notifications",
    "storage",
    "*://*/*",
    "contextMenus",
    "unlimitedStorage"
  ],
  "short_name": "__MSG_extShortName__",
  "applications": {
    "gecko": {
      "id": "jid0-2tv2gULVq1PX723ILGqnnOSnTBY@jetpack",
      "strict_min_version": "42.0"
    }
  }
}