Examine source code of Play Travel

{
  "manifest_version": 2,
  "version": "2.2.21",
  "name": "__MSG_extName__",
  "icons": {
    "32": "assets/icons/32.png",
    "64": "assets/icons/64.png",
    "128": "assets/icons/128.png"
  },
  "browser_action": {
    "default_title": "__MSG_extName__",
    "default_popup": "view/popup.html"
  },
  "description": "__MSG_extDescription__",
  "permissions": [
    "tabs",
    "<all_urls>",
    "storage",
    "activeTab",
    "webNavigation",
    "alarms"
  ],
  "default_locale": "en",
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "run_at": "document_end",
      "all_frames": false,
      "js": [
        "lib/jquery_3.5.1/jquery_3_5_1.js",
        "lib/moment/moment.js",
        "lib/DOMPurify-3.2.6/purify.min.js",
        "baseConfig.js",
        "scripts/customLib/localizedText.js",
        "scripts/customLib/urlValidator.js",
        "scripts/customLib/dateOperation.js",
        "scripts/customLib/levenshtein.js",
        "scripts/customLib/starRating.js",
        "scripts/customLib/deviceDetection.js",
        "scripts/customLib/browserDetection.js",
        "scripts/content/content_config.js",
        "scripts/content/custom_popup.js",
        "scripts/content/custom_popup2.js",
        "scripts/content/content_traystate.js",
        "scripts/customLib/draggableDiv.js",
        "scripts/content/content_booking.js",
        "scripts/content/content_popup_controller.js",
        "scripts/content/content_channel.js",
        "scripts/content/helper.js",
        "scripts/content/custom_popup_mobile2.js",
        "scripts/content/content_script.js",
        "scripts/content/content_dynamic_search_list.js",
        "scripts/content/content_dynamic_extractor.js",
        "scripts/customLib/localSessionData.js",
        "scripts/customLib/consentStorage.js",
        "scripts/content/content_activitypopup.js",
        "scripts/content/content_backend_popup.js",
        "scripts/content/debuggingMode.js"
      ],
      "css": [
        "styles/style_config.css"
      ]
    }
  ],
  "background": {
    "scripts": [
      "baseConfig.js",
      "scripts/bg/config.js",
      "scripts/customLib/browserDetection.js",
      "scripts/customLib/urlValidator.js",
      "scripts/customLib/autoReloadAllTabs.js",
      "scripts/customLib/localUser.js",
      "scripts/customLib/localSessionData.js",
      "scripts/customLib/consentStorage.js",
      "scripts/content/helper.js",
      "scripts/backend/auth.js",
      "scripts/backend/propertyDetails.js",
      "scripts/backend/miscDetails.js",
      "scripts/backend/provider.js",
      "scripts/backend/popupLinks.js",
      "scripts/bg/screenCapture.js",
      "scripts/bg/searchResultPopup.js",
      "scripts/bg/flightsBg.js",
      "scripts/bg/mainBg.js",
      "scripts/backend/admin.js",
      "scripts/bg/backendPopupBg.js",
      "scripts/bg/dynamicDomBg.js",
      "scripts/bg/periodicFetching.js"
    ],
    "persistent": false
  },
  "web_accessible_resources": [
    "*://*/*",
    "assets/*",
    "lib/*",
    "styles/*"
  ],
  "externally_connectable": {
    "matches": [
      "*://localhost/*",
      "*://*.joincherry.com/*"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "data_collection_permissions": {
        "required": [
          "browsingActivity",
          "websiteContent"
        ],
        "optional": [
          "websiteContent"
        ]
      },
      "id": "{f1e1683d-5f61-4f4d-9202-77124c182f7d}"
    }
  }
}