Examine source code of ePN Webmaster Plugin

{
  "manifest_version": 3,
  "name": "__MSG_extTitle__",
  "description": "__MSG_extDescription__",
  "default_locale": "ru",
  "version": "3.1.3",
  "author": "aspedm@gmail.com",
  "minimum_chrome_version": "76",
  "homepage_url": "https://epn.bz",
  "icons": {
    "16": "icons/16x16.png",
    "48": "icons/48x48.png",
    "128": "icons/128x128.png"
  },
  "action": {
    "default_title": "__MSG_extTitle__",
    "default_popup": "popup.html",
    "default_icon": "icons/48x48.png"
  },
  "background": {
    "scripts": [
      "service_worker.js"
    ],
    "type": "module"
  },
  "options_ui": {
    "page": "options.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@epn_webmaster_plugin",
      "strict_min_version": "109.0"
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'"
  },
  "permissions": [
    "tabs",
    "storage",
    "webNavigation",
    "notifications"
  ],
  "host_permissions": [
    "https://*.epn.bz/*"
  ]
}