* new package: GraphBlast

* polish

* add cuda_arch setup

* flake8

* the package requires cuda variant and dependency

* add comments

* define cuda_arch

* implement multiple and custom cuda arches

* tidy up, improve

* flake8

* improve style

* add variant description

* use patch method, add new version for latest commit building since master now fails

* remove gcc conflict, tidy up

* also indicate build range for boost

Co-authored-by: Sinan81 <sbulut@3vgeomatics.com>
Co-authored-by: Sinan81 <Sinan81@github>