Examine source code of Tawk.to Blocker

{
  "manifest_version": 3,
  "name": "Tawk.to Blocker",
  "description": "Tawk.to Blocker by SM mest3r. https://smmest3r.dev/",
  "version": "1.1.1",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "Tawk.to Blocker"
  },
  "permissions": [
    "activeTab",
    "declarativeNetRequest",
    "declarativeNetRequestFeedback",
    "webRequest",
    "webRequestBlocking"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "js": [
        "content.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "mest3rdevelopment@tawktoblocker",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}