Examine source code of Web Apps

{
  "manifest_version": 3,
  "name": "__MSG_lngExtTitle__",
  "version": "2.1.0.1",
  "description": "__MSG_lngExtDescription__",
  "default_locale": "en",
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://onlivesoft.com/*"
      ],
      "js": [
        "scripts/firefox-content-script.js"
      ],
      "run_at": "document_start"
    }
  ],
  "host_permissions": [
    "*://onlivesoft.com/*"
  ],
  "background": {
    "scripts": [
      "scripts/background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "mail@pothos.info",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/icon16.png",
      "32": "images/icon32.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png"
    }
  },
  "icons": {
    "16": "images/icon16.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  }
}