Examine source code of YouTube Auto Liker

{
  "manifest_version": 3,
  "name": "YouTube Auto Liker",
  "description": "Automatically like videos on YouTube",
  "version": "5.3.0",
  "icons": {
    "16": "/icons/16x16.png",
    "48": "/icons/48x48.png",
    "128": "/icons/128x128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "dist/config.json",
        "dist/subscriptionBridge.js"
      ],
      "matches": [
        "https://www.youtube.com/*"
      ]
    }
  ],
  "action": {
    "default_icon": "/icons/48x48.png",
    "default_popup": "/html/popup.html"
  },
  "background": {
    "scripts": [
      "/dist/background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "js": [
        "/dist/content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://www.youtube.com/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{62b63e0f-f67e-436d-b16e-fd5365a2ee3c}",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}