add namespace and orientation to frame

interfaces/SimpleScene/SimpleScene.proto

 syntax = "proto3";
 
+package ipos.models;
+
 message IposConfig {
     repeated IposFrame frames = 1;
     repeated IposObject objects = 2;
@@ -27,7 +29,8 @@ message IposFrame {
   string id = 1; // unique for every frame, used for relative coordinates
   IposSpace space = 2; // cube defining the extension, might be (0,0,0)
   IposPosition position = 3; // centre of the "frame" cube, absolute
-  float delta = 4; // min. Position to trigger a position update
+  IposSimpleOrientation orientation = 4; // orientation of the frame
+  float delta = 5; // min. Position to trigger a position update
 }
 
 // relative coordinates