Add stub for Footprint update service

internal/taskManager/footprintService.go

@@ -4,5 +4,22 @@
 // license that can be found in the LICENSE file.
 package taskManager
 
+import (
+	"time"
+
+	"github.com/ClusterCockpit/cc-backend/pkg/log"
+	"github.com/go-co-op/gocron/v2"
+)
+
 func registerFootprintWorker() {
+	log.Info("Register Footprint Update service")
+	d, _ := time.ParseDuration("10m")
+	s.NewJob(gocron.DurationJob(d),
+		gocron.NewTask(
+			func() {
+				t := time.Now()
+				log.Printf("Update Footprints started at %s", t.Format(time.RFC3339))
+
+				log.Print("Update Footprints done")
+			}))
 }