less bonkers text in web server panic recover routine

recover.go

@@ -15,7 +15,7 @@ func recovery() gin.HandlerFunc {
 			if p != nil {
 				log.Printf("panic in web server %s", p)
 				context.JSON(http.StatusInternalServerError, gin.H{
-					"error": "panic",
+					"error": "panic in web server",
 				})
 				fmt.Println(string(debug.Stack()))
 			}