fcl-base: TServiceWorkerApplication: comments

demo/pwa/ServiceWorker.lpr

@@ -6,7 +6,8 @@ uses
   Classes, ServiceWorkerApp;
 
 const
-  YourCacheName = 'v6';
+  YourCacheName = 'v6'; // usually increased with every version
+   // The cache is specific to your domain, so no need to include your app name.
 
 type
 

packages/fcl-base/serviceworkerapp.pas

@@ -1,3 +1,7 @@
+{
+  A service worker functions like a proxy server, allowing to modify requests
+  and responses, and replace them with items from its own cache, and more.
+}
 unit ServiceWorkerApp;
 
 {$mode objfpc}