feat:#5 added first offline calendar functions

frontend/vite.config.ts

@@ -96,6 +96,18 @@ export default defineConfig({
               },
             },
           },
+          {
+            // Add the runtime caching strategy for /api/modules
+            urlPattern: ({url}) => url.pathname.startsWith('/api/modules'),
+            method: 'GET',
+            handler: 'NetworkFirst',
+            options: {
+              cacheName: 'modules-cache',
+              expiration: {
+                maxAgeSeconds: 24 * 60 * 60, // 1 day
+              },
+            },
+          },
           {
             urlPattern: /^https?.*/,
             handler: "NetworkFirst",