Examine source code of AutoTask Time Tracker

{
  "manifest_version": 2,
  "name": "AutoTask Time Tracker",
  "version": "1.0",
  "description": "Track billable time against AutoTask tickets — prompts every 15 minutes.",
  "browser_specific_settings": {
    "gecko": {
      "id": "autotask-time-tracker@westech",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "permissions": [
    "alarms",
    "storage",
    "tabs",
    "http://localhost:7373/*",
    "https://*.autotask.net/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "AutoTask Time Tracker",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "options_ui": {
    "page": "settings.html",
    "browser_style": false
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.autotask.net/*"
      ],
      "js": [
        "autotask-content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "web_accessible_resources": [
    "prompt.html",
    "history.html",
    "summary.html",
    "settings.html",
    "prompt.js",
    "prompt.css",
    "history.js",
    "history.css",
    "summary.js",
    "summary.css",
    "popup.js",
    "popup.css",
    "settings.js",
    "settings.css",
    "autotask-content.js",
    "icons/icon16.png",
    "icons/icon48.png",
    "icons/icon128.png"
  ]
}