changed OWNTECH_SCHEDULING_ASYNCHRONOUS_TASKS_STACK_SIZE value from 512 to 1024

Commit to fix the stack overflow error issue : #60

Main used to test: [main.cpp](/cfoucher/core/uploads/8e8df2b10f172864edafbb4b4ad8d16c/main.cpp)

zephyr/modules/owntech_scheduling/zephyr/Kconfig

@@ -22,6 +22,6 @@ if OWNTECH_SCHEDULING
 
 	config OWNTECH_SCHEDULING_ASYNCHRONOUS_TASKS_STACK_SIZE
 		int "Stack size for asynchronous threads"
-		default 512
+		default 1024
 
 endif