update to support postgresql and add godocs

server/handler/updateCleanup.go

@@ -6,7 +6,14 @@ import (
 	"net/http"
 )
 
-// VmUpdate receives the CloudEvent for a VM modification or move
+// UpdateCleanup removes orphaned update records.
+// @Summary Cleanup updates
+// @Description Removes update records that are no longer associated with a VM.
+// @Tags maintenance
+// @Produce text/plain
+// @Success 200 {string} string "Cleanup completed"
+// @Failure 500 {string} string "Server error"
+// @Router /api/cleanup/updates [delete]
 func (h *Handler) UpdateCleanup(w http.ResponseWriter, r *http.Request) {
 	/*
 		// Get the current time