Keyboard infos in readme and disabled unused LED task

lib/obp60task/README

@@ -9,3 +9,27 @@ THIS BRANCH IS NOT INTENDED TO MERGE INTO "master"!
 
 platformio.ini adapted to compile directly
 
+Differences to OBP60
+--------------------
+
+- no GPS
+- no RTC
+- no LEDs
+- no environment sensor
+- no key lock
+- no swipe
+- only 5 keys
+
++ SD card interface
+
+
+Keyboard
+--------
+
+Keycode   Key              Function
+-------- ---------------- -------------------------
+  1       Menu key         Key 1 of OBP60 (left)
+  2       Exit key         Key 2 of OBP60
+  3       Jog-Dial press
+  9       Jog-Dial down    Next page
+ 10       Jog-Dial up      Previous page

lib/obp60task/obp60task.cpp

@@ -27,8 +27,6 @@
 #include "OBP60QRWiFi.h"                // Functions lib for WiFi QR code
 #include "OBPSensorTask.h"              // Functions lib for sensor data
 
-#include "LedSpiTask.h"
-
 // Global vars
 bool initComplete = false;      // Initialization complete
 int taskRunCounter = 0;         // Task couter for loop section
@@ -320,7 +318,9 @@ void OBP60Task(GwApi *api){
 //    return;
     GwLog *logger=api->getLogger();
     GwConfigHandler *config=api->getConfig();
+#ifdef HARDWARE_V21
     startLedTask(api);
+#endif
     PageList allPages;
     registerAllPages(allPages);
     CommonData commonData;