* [build] Add comprehensive firmware size reporting scripts for ARM MCUs.
* [build] Add firmware size reports to commit-tests.sh.
* [build] Set permissions on new scripts.
* [build] Add -Wno-error option to commit-tests.sh.
* [build] Revert firmware size report to using `arm-none-eabi-size` if bash not found (eg. on Windows).
* [git] Add .gitattributes to force line endings on UNIX shell scripts.
