* moved attest and cose utils to common
with cursor converted tests in common to use vitest and converted coseVerify.test to vitest after moving from app to common
what does cryptoLoader do?
* moved away
* get buff
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
---------
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>