Notes for luarocks - reproducible builds result

Version annotated: 2.2.0+dfsg-2
Identified issues:
Identifier: captures_build_arch
Description Captures the build arch (`uname -m`, typically i686 v. x86_64).
 

Our notes about issues affecting packages are stored in notes.git and are targeted at packages in Debian in 'unstable/amd64' (unless they say otherwise).