* crate for AVR standard library
* remove the prerelease part from version
* moved to v2.0.1, accept gnat-v12.2
Co-authored-by: GHA <actions@github.com>
* Add Run-Time-System and MCU definitions from AVR-Ada
* remove the prerelease part from version
* force use of LF only on git checkout, permit GNAT v12.2 as dependancy
* moved RTS and MCU version to v2.0.1