Examine source code of YouBeHero

{
  "manifest_version": 3,
  "name": "YouBeHero",
  "version": "2.6",
  "homepage_url": "https://www.youbehero.com",
  "description": "YouBeHero: Μια δωρεά με κάθε ηλεκτρονική αγορά.",
  "icons": {
    "48": "icons/ybh-icon-48_white.png",
    "128": "icons/ybh-icon-128_white.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "youbehero@youbehero.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "websiteActivity",
          "browsingActivity"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "tabs",
    "activeTab",
    "storage",
    "notifications",
    "cookies",
    "webNavigation"
  ],
  "host_permissions": [
    "*://*/*"
  ],
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "search_engine_config.js",
      "firebase/firebase-app.js",
      "firebase/firebase-messaging.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "include_globs": [
        "http://www.google.*/*",
        "https://www.google.*/*",
        "http://duckduckgo.*/*",
        "https://duckduckgo.*/*"
      ],
      "js": [
        "search_engine_config.js",
        "search_engines.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "modal.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "adblocker.js"
      ],
      "run_at": "document_start"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icons/ybh-icon-48_white.png",
      "128": "icons/ybh-icon-128_white.png"
    }
  },
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "modals/*.html",
        "styles/*.css",
        "fonts/*.woff",
        "icons/*.png",
        "icons/*.svg",
        "images/*.png",
        "adblocker/*.js",
        "images/picture_adblockers.png",
        "firebase/*.js"
      ]
    }
  ]
}