Examine source code of Kaarisify

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "version": "1.3resigned1",
  "author": "zadig",
  "description": "__MSG_extensionDescription__",
  "icons": {
    "32": "icons/32.png",
    "48": "icons/48.png",
    "64": "icons/64.png",
    "96": "icons/96.png",
    "128": "icons/128.png",
    "256": "icons/256.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "content_script.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "assets/kaaris.jpg"
  ],
  "permissions": [
    "contextMenus"
  ],
  "default_locale": "fr",
  "browser_specific_settings": {
    "gecko": {
      "id": "{208e370b-26a6-48ef-aecb-f527f90dbcab}"
    }
  }
}