Maintenance: Github workflow URL checker (#179)

Maintenance: Github workflow URL checker (#179)

* Remove non needed spell checks

* FreeRTOS Kernel Spelling Update (#170)

* FreeRTOS Kernel Spelling Update

* Added spell check to kernel repository.
* Fixed small spelling errors in various kernel source files.
* Added documentation for spellcheck.

Note: Only kernel files are checked for spelling, and portable files are ignored.

* Fix exit 0

* Remove spell

* add echo

* Call script from ci

* Fix script location

* Print pwd

* Fix script

* Fix script

* Remove some lines from script

* uncomment lines and fix exit

* use bash instead of sh

* Move url checker to the action directory

* Separate spell and url checkers

* Fix bad merge from master

* Fix yml file error

* Add another step to the url checker

Co-authored-by: Carl Lundin <53273776+lundinc2@users.noreply.github.com>