Get rid of fixed device numbers

src/config.h

@@ -23,6 +23,8 @@ enum {
     kTypeMuxDriver,           // 13 Multiplexer selector support (generates select outputs)
     kTypeDigInMux,            // 14 Digital input multiplexer support (example: 74HCT4067, 74HCT4051)
     kTypeStepper              // new stepper type with settings for backlash and deactivate output
+    // if new device types are added, change 'kTypeStepper' for the array numberDevices[] in readConfig() to the new one!!
+    // Otherwise the array inde will be exceeded
 };
 
 void loadConfig(void);