melody confis maxmessage size icnrease so that longer msgs can be sen…

…t while chatting (#1324)

tools/realtime/connector/melody.go

@@ -2,13 +2,14 @@ package connector
 
 import (
 	"net/http"
-
 	"github.com/TUM-Dev/gocast/tools/realtime"
 	"github.com/gabstv/melody"
 )
 
 func NewMelodyConnector() *realtime.Connector {
 	melodyInstance := melody.New()
+	melodyInstance.Config.MaxMessageSize = 1200
+	// 1200 bytes allow a little more than 1000 chars.
 	connector := realtime.NewConnector(
 		func(writer http.ResponseWriter, request *http.Request, properties map[string]interface{}) error {
 			return melodyInstance.HandleRequestWithKeys(writer, request, properties)