Examine source code of LAPLACE Login Sync

{
  "manifest_version": 2,
  "name": "__MSG_appTitle__",
  "description": "__MSG_appDesc__",
  "version": "2.0.8",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "default_locale": "en",
  "permissions": [
    "cookies",
    "tabs",
    "storage",
    "alarms",
    "unlimitedStorage",
    "*://*.bilibili.com/",
    "https://bilibili.com/",
    "*://*.laplace.live/",
    "https://laplace.live/"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{bea1d1bb-2ed3-46bc-92ca-34bcdb3baa85}",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "__MSG_appTitle__",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.bilibili.com/*",
        "*://*.laplace.live/*"
      ],
      "run_at": "document_idle",
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}