Examine source code of Anfang App

{
  "manifest_version": 3,
  "name": "__MSG_extName__",
  "short_name": "Anfang",
  "version": "0.2.0",
  "description": "__MSG_extDescription__",
  "default_locale": "en",
  "homepage_url": "https://anfang.app",
  "browser_specific_settings": {
    "gecko": {
      "id": "anfang@anfang.app",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "storage",
    "activeTab",
    "contextMenus"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "__MSG_actionTitle__",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png"
    }
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Alt+Shift+A"
      },
      "description": "__MSG_actionTitle__"
    },
    "open-launchpad": {
      "suggested_key": {
        "default": "Alt+Shift+L"
      },
      "description": "__MSG_menuOpenLaunchpad__"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.anfang.app/*",
        "*://anfang.app/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  }
}