Examine source code of Clipboard Shield - ClickFix Protection

{
  "manifest_version": 3,
  "name": "Clipboard Shield - ClickFix Protection",
  "version": "1.0.1",
  "description": "Detects and warns when websites modify your clipboard. Protects against fake CAPTCHA / ClickFix attacks that silently copy malicious commands.",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "Clipboard Shield"
  },
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "detection.js",
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "clipboard-shield@ritarup.dev",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "options_page": "options.html",
  "permissions": [
    "storage",
    "notifications",
    "tabs"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "detection.js",
        "injected.js"
      ],
      "world": "MAIN",
      "run_at": "document_start",
      "all_frames": true
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "detection.js",
        "content-script.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ]
}