Added CoOS library with successful build
Added LED Blink test code without RTOS
Minor fixes and RTOS test

Wrote some includes in the RTOS library to eliminate errors.
Got LED on pin 13 to blink through a task, no idea how or why.
Fixed build error and added debug in main.c
tested & working coos port
Test, documentation

Tested the RTOS again on my end to make sure it works and added
documentation in rtos.h
Removed generated html files
Merge remote-tracking branch 'origin/rtos' into rtos

Conflicts:
	src/main.c
Revert "Removed generated html files"

This reverts commit 4c8690227932298a2321d4c15e143860be16d608.