Examine source code of Trackly Timer

{
  "manifest_version" : 3 ,
  "name" : "Trackly Timer",
  "version" : "1.4.1",
  "icons" : {
    "16" : "icons/icon16.png",
    "32" : "icons/icon32.png",
    "48" : "icons/icon48.png",
    "128" : "icons/icon128.png"
  },
  "description" : "Track time in your shared Trackly workspace.",
  "browser_specific_settings": {
    "gecko": {
      "id": "trackly-timer@jrvsai.me",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "personallyIdentifyingInfo",
          "authenticationInfo",
          "websiteContent"
        ]
      }
    }
  },
  "permissions" : [
    "storage" 
  ],
  "host_permissions" : [
    "https://zlwacjapjpqfmhunpjmo.supabase.co/*" ,
    "https://app.jrvsai.me/*" 
  ],
  "background" : {
    "scripts" : [
      "background.js" 
    ],
    "type" : "module" 
  },
  "content_scripts" : [
    {
      "matches" : [
        "https://app.jrvsai.me/auth/extension*" 
      ],
      "js" : [
        "bridge.js" 
      ],
      "run_at" : "document_start" ,
      "all_frames" : false 
    }
  ],
  "action" : {
    "default_icon" : {
      "16" : "icons/icon16.png",
      "32" : "icons/icon32.png",
      "48" : "icons/icon48.png",
      "128" : "icons/icon128.png"
    },
    "default_title" : "Trackly Timer",
    "default_popup" : "popup.html"
  },
  "content_security_policy" : {
    "extension_pages": "script-src 'self'; object-src 'self'; connect-src https://zlwacjapjpqfmhunpjmo.supabase.co https://app.jrvsai.me;"
  }
}