feat: caching

now.json

@@ -16,7 +16,10 @@
   "routes": [
     {
       "src": "/availability/(?<provider>[^/]+)/(?<id>[^/]+)",
-      "dest": "/src/services/$provider.js?name=$id"
+      "dest": "/src/services/$provider.js?name=$id",
+      "headers": {
+        "Cache-Control": "maxage=0, s-maxage=3600"
+      }
     },
     {
       "src": "/(.*)",