Examine source code of Pigogo ALERT!

{
  "name": "Pigogo ALERT!",
  "version": "2.1.3",
  "description": "Receive Cashback, Coupons, Deals and Offers from shopping.",
  "homepage_url": "https://pigogo.gr",
  "manifest_version": 3,
  "permissions": [
    "storage",
    "tabs",
    "cookies",
    "webRequest",
    "declarativeNetRequest"
  ],
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "pigogo",
        "enabled": true,
        "path": "ruleset.json"
      }
    ]
  },
  "host_permissions": [
    "*://backend.pigogo.gr/*",
    "*://www.pigogo.gr/*"
  ],
  "content_scripts": [
    {
      "all_frames": false,
      "js": [
        "ci.content.pack.js",
        "js/contentBundle.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_start"
    },
    {
      "all_frames": false,
      "js": [
        "ci.browser.helper.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_end"
    }
  ],
  "background": {
    "page": "background.html"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "pigogo@pigogo"
    }
  },
  "action": {
    "default_icon": "img/neutral_18.png",
    "default_title": "Pigogo"
  },
  "icons": {
    "48": "img/neutral_48.png",
    "128": "img/neutral_128.png"
  }
}