Examine source code of FontFinder

{
  "name": "__MSG_appName__",
  "description": "__MSG_shortDescFirefox__",
  "version": "2.2.0",
  "default_locale": "en",
  "manifest_version": 3,
  "icons": {
    "16": "img/logo-16.png",
    "32": "img/logo-34.png",
    "48": "img/logo-48.png",
    "96": "img/logo-96.png",
    "128": "img/logo-128.png"
  },
  "action": {
    "default_icon": "img/logo-48.png"
  },
  "background": {
    "scripts": [
      "assets/chunk-4e442521.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "js": [
        "assets/content-script.tsx-loader-106360ad.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    {
      "matches": [],
      "resources": [
        "img/logo-16.png",
        "img/logo-34.png",
        "img/logo-48.png",
        "img/logo-96.png",
        "img/logo-128.png"
      ],
      "use_dynamic_url": false
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "icons/logo.svg"
      ],
      "use_dynamic_url": false
    },
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "resources": [
        "assets/chunk-2ff735c6.js",
        "assets/chunk-10002134.js"
      ],
      "use_dynamic_url": false
    }
  ],
  "permissions": [
    "activeTab",
    "tabs",
    "storage",
    "scripting",
    "contextMenus"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "fontfinder@swbestdecisions",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  }
}