Examine source code of TimeRecord - Time Tracker & Timesheet

{
  "manifest_version": 2,
  "name": "TimeRecord - Time Tracker & Timesheet",
  "description": "Automatic time tracking for freelancers. Times your work and logs which websites you used, by Client / Project / Task.",
  "version": "1.0.3",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "tabs",
    "storage",
    "idle",
    "alarms",
    "https://zobcjvycfnyaizwnqrgd.supabase.co/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "timerecord@timerecord.app",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "browsingActivity"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "TimeRecord",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://timerecord.app/*"
      ],
      "all_frames": false,
      "run_at": "document_start",
      "js": [
        "content-scripts/connect.js"
      ]
    }
  ]
}