Examine source code of ClockBoost Extension

{
  "manifest_version": 3,
  "name": "Clockboost Extension",
  "version": "3.0.0",
  "description": "Track your time on tasks from Jira, Trello, GitHub, and other tools. Requires Clockboost desktop application.",
  "action": {
    "default_popup": "index.html",
    "default_icon": "launcher.png"
  },
  "permissions": [
    "tabs",
    "storage",
    "activeTab",
    "alarms",
    "windows"
  ],
  "icons": {
    "16": "launcher.png",
    "32": "launcher.png",
    "48": "launcher.png",
    "128": "launcher.png"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "clockboost@clockboost.com"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.github.com/*",
        "*://*.atlassian.net/*",
        "*://*.jira.com/*",
        "*://*.trello.com/*",
        "*://*.asana.com/*",
        "*://*.clickup.com/*",
        "*://*.monday.com/*",
        "*://*.gitlab.com/*",
        "*://*.todoist.com/*",
        "*://*.zoho.com/*",
        "*://*.evernote.com/*",
        "*://*.hubspot.com/*",
        "*://*.notion.so/*",
        "*://*.wordpress.com/*",
        "https://*.n8n.io/*",
        "https://*.n8n.dev/*",
        "https://*.n8n.cloud/*",
        "https://*.odoo.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "translations/*.json"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}