watchdog into dedicated file

watchdog.h

@@ -0,0 +1,10 @@
+#ifndef __WATCHDOGH
+#define __WATCHDOGH
+#ifdef
+/// intialise watch dog with a 1 sec interrupt time
+void wd_init();
+/// pad the dog/reset watchdog. MUST be called at least every second after the first wd_init or avr will go into emergency procedures..
+void wd_reset();
+
+
+#endif