Examine source code of Time Waster Pro

{
  "manifest_version": 2,
  "name": "Time Waster Pro",
  "version": "1.0.2",
  "description": "Discover interesting independent websites - a spiritual successor to StumbleUpon",
  "permissions": [
    "storage",
    "tabs",
    "notifications",
    "alarms",
    "https://timewasterpro.xyz/*"
  ],
  "icons": {
    "32": "icons8-hourglass-32.png",
    "64": "icons8-hourglass-64.png"
  },
  "browser_action": {
    "default_title": "Time Waster Pro",
    "default_popup": "popup.html",
    "default_icon": {
      "32": "icons8-hourglass-32.png",
      "64": "icons8-hourglass-64.png"
    },
    "theme_icons": [
      {
        "dark": "icons8-hourglass-32.png",
        "light": "icons8-hourglass-32-dark.png",
        "size": 32
      },
      {
        "dark": "icons8-hourglass-64.png",
        "light": "icons8-hourglass-64-dark.png",
        "size": 64
      }
    ]
  },
  "commands": {
    "stumble": {
      "suggested_key": {
        "default": "Alt+Shift+S"
      },
      "description": "Stumble to a random website"
    },
    "thumbs-up": {
      "suggested_key": {
        "default": "Alt+Shift+U"
      },
      "description": "Like current website"
    },
    "thumbs-down": {
      "suggested_key": {
        "default": "Alt+Shift+D"
      },
      "description": "Dislike current website"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "admin@timewasterpro.xyz",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo"
        ]
      }
    }
  }
}