Added minimal functionality for Robot teaching

- Added minimal HMI
- Added possibility to open and close all chamber doors

PLC/01_Stationen/Etcher/FB_Etcher.TcPOU

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TcPlcObject Version="1.1.0.1">
+  <POU Name="FB_Etcher" Id="{e75b6d70-36db-4c78-b78d-a594609441d1}" SpecialFunc="None">
+    <Declaration><![CDATA[FUNCTION_BLOCK FB_Etcher
+VAR_INPUT
+	xOpenDoor : BOOL;
+END_VAR
+VAR_OUTPUT
+END_VAR
+VAR
+	_xOpenDoor AT %Q* : BOOL;
+	_xCloseDoor AT %Q* : BOOL;
+END_VAR
+]]></Declaration>
+    <Implementation>
+      <ST><![CDATA[IF xOpenDoor THEN
+	_xOpenDoor := TRUE;
+	_xCloseDoor := FALSE;
+ELSE
+	_xOpenDoor := FALSE;
+	_xCloseDoor := TRUE;
+END_IF]]></ST>
+    </Implementation>
+  </POU>
+</TcPlcObject>