snapshot.debian.org is super flaky and unreliable. At this point it's easier to host our own mirror snapshot.
Co-authored-by: Greyson Parrelli <greyson@signal.org>
* Moved stuff into it's own `reproducible-builds` directory. * Improved reproducible build by using a debian snapshot and more clearly listing dependencies. * Removed signing from assembleReelase. * Updated README.