Examine source code of ScheduleBlock

{
  "name": "ScheduleBlock",
  "description": "Block websites on a schedule",
  "version": "1.1.7",
  "manifest_version": 2,
  "permissions": [
    "storage"
  ],
  "web_accessible_resources": [
    "src/Misc.js",
    "src/Record.js",
    "src/RecordStorage.js",
    "src/options.js",
    "src/content.js",
    "images/ScheduleBlock128.png"
  ],
  "background": {
    "scripts": [
      "src/background_loader.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "src/content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "48": "images/ScheduleBlock128.png",
    "96": "images/ScheduleBlock128.png",
    "128": "images/ScheduleBlock128.png"
  },
  "options_ui": {
    "page": "src/options.html",
    "browser_style": false,
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "toxicgamerd777@gmail.com"
    }
  }
}