* add basic source checks for existing file types
* commit fixes from auto-corrections (eoln and eof fixes)
* add github action to run pre-commit hooks in CI

Signed-off-by: Kevin Broch <kbroch@rivosinc.com>

Signed-off-by: Rafael Sene <rafael@riscv.org>

As part of this template we require each specification to provide at
minimum the license(s) that the repository requires and the statement
regarding the DCO. Authors are encouraged to update this file with any
additional comments relevant to their specification.

Signed-off-by: Stephano Cetola <scetola@linuxfoundation.org>