Examine source code of Zoom for Firefox

{
  "manifest_version": 3,
  "short_name": "__MSG_name__",
  "homepage_url": "https://www.stefanvd.net/support/",
  "description": "__MSG_description__",
  "author": "Stefan vd",
  "version": "2.8.25",
  "icons": {
    "16": "images/icon16.png",
    "24": "images/icon24.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "96": "images/icon96.png",
    "128": "images/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "scripts/constants.js",
        "scripts/content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "default_locale": "en",
  "content_security_policy": {
    "extension_pages": "default-src 'none'; style-src 'self'; media-src https://www.stefanvd.net; frame-src https://www.youtube.com https://www.stefanvd.net; connect-src https://www.stefanvd.net; script-src 'self'; img-src 'self' https://www.stefanvd.net * data:; object-src 'none'"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "name": "__MSG_name__",
  "action": {
    "default_title": "__MSG_name__",
    "default_icon": {
      "16": "images/iconstick16.png",
      "19": "images/iconstick19.png",
      "20": "images/iconstick20.png",
      "32": "images/iconstick32.png",
      "38": "images/iconstick38.png",
      "40": "images/iconstick40.png",
      "64": "images/iconstick64.png"
    }
  },
  "background": {
    "scripts": [
      "scripts/constants.js",
      "scripts/background.js"
    ]
  },
  "commands": {
    "toggle-feature-zoomin": {
      "suggested_key": {
        "default": "Ctrl+Shift+1",
        "mac": "MacCtrl+Shift+1"
      },
      "description": "__MSG_titleshortzoomin__"
    },
    "toggle-feature-zoomout": {
      "suggested_key": {
        "default": "Ctrl+Shift+2",
        "mac": "MacCtrl+Shift+2"
      },
      "description": "__MSG_titleshortzoomout__"
    },
    "toggle-feature-zoomreset": {
      "suggested_key": {
        "default": "Ctrl+Shift+0",
        "mac": "MacCtrl+Shift+0"
      },
      "description": "__MSG_titleshortzoomreset__"
    },
    "toggle-feature-magnify": {
      "suggested_key": {
        "default": "Ctrl+Shift+M",
        "mac": "MacCtrl+Shift+M"
      },
      "description": "__MSG_titleshortzoommagnify__"
    },
    "toggle-feature-predefined1": {
      "description": "__MSG_titleshortpredefined1__"
    },
    "toggle-feature-predefined2": {
      "description": "__MSG_titleshortpredefined2__"
    },
    "toggle-feature-predefined3": {
      "description": "__MSG_titleshortpredefined3__"
    }
  },
  "permissions": [
    "tabs",
    "contextMenus",
    "storage",
    "scripting",
    "webNavigation",
    "unlimitedStorage"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "zoom@stefanvd.net",
      "strict_min_version": "113.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {}
  }
}