Examine source code of LC2FFExt

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "1.471",
  "versionString": "1.471",
  "homepage_url": "https://github.com/David-Honisch/LC2FFExt",
  "update-url": "https://www.letztechance.org/lc2firefoxaddon",
  "default_locale": "de",
  "browser_specific_settings": {
    "gecko": {
      "id": "lc2media_dl@app",
      "strict_min_version": "97.0"
    }
  },
  "browser_specific_settings_old": {
    "gecko": {
      "id": "{c55f768c-d2bf-4587-97f8-8a43cbc5d259}",
      "update_url": "https://raw.githubusercontent.com/David-Honisch/LC2FFExt/main/lc2ffextupdates.json"
    }
  },
  "applications": {
    "gecko": {
      "strict_min_version": "54.0a1"
    }
  },
  "icons": {
    "16": "icons/lc-16.png",
    "32": "icons/lc-16.png",
    "48": "icons/lc-16.png"
  },
  "permissions": [
    "activeTab",
    "bookmarks",
    "notifications",
    "nativeMessaging",
    "menus",
    "storage",
    "tabs",
    "topSites",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>",
    "https://www.letztechance.org/*"
  ],
  "protocol_handlers": [
    {
      "protocol": "irc",
      "name": "IRC Mibbit Extension",
      "uriTemplate": "https://www.letztechance.org/openlink?https://mibbit.com/?url=%s"
    }
  ],
  "background": {
    "scripts": [
      "assets/js/api.js",
      "assets/js/auth/auth.js",
      "assets/js/auth/storage.js",
      "assets/js/menu.js",
      "assets/js/background.js",
      "assets/js/bookmark.js",
      "assets/js/command.js",
      "assets/js/export.js",
      "assets/js/filter.js",
      "assets/js/notify.js",
      "assets/js/message.js",
      "assets/js/permissions.js",
      "assets/js/rootcert.js",
      "assets/js/useragent.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "assets/js/export.js",
        "assets/js/content-script.js"
      ]
    }
  ],
  "commands": {
    "toggle-feature": {
      "suggested_key": {
        "default": "Ctrl+Shift+U"
      },
      "description": "Send a 'toggle-feature' event to the extension"
    },
    "_execute_sidebar_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+Y"
      }
    }
  },
  "options_ui": {
    "page": "resources/options/options.html",
    "browser_style": true
  },
  "sidebar_action": {
    "default_icon": "icons/lc-16.png",
    "default_title": "LetzteChance.Org - Menu",
    "default_panel": "resources/sidebar/sidebar.html"
  },
  "browser_action": {
    "default_icon": "icons/lc-16.png",
    "default_title": "Choose a user agent",
    "default_popup": "resources/popup/choose.html"
  }
}