Examine source code of FocusDragon

{
  "manifest_version": 3,
  "name": "FocusDragon",
  "version": "1.3.1",
  "description": "Website blocker for deep focus. Works alongside the FocusDragon macOS app.",
  "browser_specific_settings": {
    "gecko": {
      "id": "focusdragon@focusdragon.app",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "images/toolbar-icon-16.png",
    "32": "images/toolbar-icon-32.png",
    "48": "images/icon-48.png",
    "64": "images/toolbar-icon-64.png",
    "96": "images/icon-96.png",
    "128": "images/icon-128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js",
        "content/page-reader.js"
      ],
      "run_at": "document_start",
      "all_frames": false,
      "match_about_blank": false
    }
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "images/toolbar-icon-16.png",
      "32": "images/toolbar-icon-32.png",
      "64": "images/toolbar-icon-64.png"
    }
  },
  "permissions": [
    "storage",
    "tabs",
    "webNavigation",
    "nativeMessaging",
    "alarms"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "blocked.html",
        "blocked.css",
        "blocked.js",
        "blocked-quotes.js",
        "drift-blocked.html",
        "drift-blocked.css",
        "drift-blocked.js",
        "delay.html",
        "delay.js",
        "images/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "incognito": "spanning"
}