Examine source code of Focus Block

{
  "manifest_version": 3,
  "name": "Focus Block",
  "description": "Block sites by schedule or with Pomodoro to avoid distractions",
  "browser_specific_settings": {
    "gecko": {
      "id": "oscar.dga@outlook.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "action": {
    "default_popup": "src/pages/popup/index.html",
    "default_icon": {
      "32": "icon-32.png"
    }
  },
  "icons": {
    "128": "icon-128.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "alarms",
    "notifications"
  ],
  "content_scripts": [
    {
      "js": [
        "assets/index.tsx-loader-D3o0MJ7k.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "icon-128.png",
        "icon-32.png",
        "src/pages/*",
        "assets/index-Cxz3mx3b.js",
        "assets/block-logic-KL606DpN.js",
        "assets/index-46ot6FS6.js",
        "assets/index.tsx-DeED2prz.js"
      ]
    }
  ],
  "version": "1.0.5",
  "background": {
    "scripts": [
      "service-worker-loader.js"
    ],
    "type": "module"
  }
}