Examine source code of FontDetector Pro

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "short_name": "FontDetector Pro",
  "author": "Yevhen Zakhodiakin",
  "homepage_url": "https://nitiweb.net/extensions/privacy-policy-fontdetector.html",
  "version": "1.0.0",
  "description": "__MSG_extensionDescription__",
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "fontdetector@nitiweb.net",
      "strict_min_version": "109.0"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "64": "icons/icon-64.png",
    "128": "icons/icon-128.png"
  },
  "action": {
    "default_popup": "src/ui/popup/index.html",
    "default_title": "__MSG_extensionName__",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "64": "icons/icon-64.png",
      "128": "icons/icon-128.png"
    }
  },
  "background": {
    "scripts": [
      "assets/index.ts-bb10d220.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "js": [
        "assets/index.ts-loader-cf36bf9f.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_end",
      "all_frames": false
    }
  ],
  "options_ui": {
    "page": "src/ui/options/index.html",
    "open_in_tab": true
  },
  "permissions": [
    "storage",
    "tabs",
    "scripting",
    "contextMenus",
    "clipboardWrite",
    "downloads",
    "unlimitedStorage"
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "assets/*",
        "icons/*",
        "fonts/*"
      ]
    },
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "resources": [
        "assets/index-09e79c03.js",
        "assets/PageObserver-1b6c7983.js",
        "assets/apiService-43dfa60e.js",
        "assets/iconHelpers-d680b833.js",
        "assets/index.ts-522f623e.js"
      ]
    }
  ]
}