Examine source code of FranceVerif

{
  "manifest_version": 2,
  "name": "__MSG_extName__",
  "short_name": "__MSG_extShortName__",
  "version": "3.0.74",
  "description": "__MSG_extDesc__",
  "default_locale": "fr",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "64": "icons/icon64.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "scripts": [
      "./js/background.js"
    ]
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "web_accessible_resources": [
    "fonts/*",
    "images/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "./js/content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "<all_urls>",
    "storage",
    "tabs",
    "webRequest",
    "webRequestBlocking"
  ],
  "browser_action": {
    "default_area": "navbar"
  },
  "applications": {
    "gecko": {
      "id": "{cac6293f-5570-4186-a217-c8985fd59228}"
    }
  }
}