Gvili Tech

Update release-checklist and move into docs

2

Update the doxygen instructions in the release-checklist with these instructions: * Create a virtualenv with `pip3 install -r docs/requirements.txt` and activate it. * Run `make html` from the `docs` directory....

To migrate: * Remove old markdown files (contributing, release-checklist, roadmap) at the root directory * Change the readme file to include a brief and a pointer to https://libswifft.readthedocs.io/

**Is your feature request related to a problem? Please describe.** Some lattice-based constructions, such as [streaming](http://elaineshi.com/docs/streaming.pdf) [verifiable](http://legacydirs.umiacs.umd.edu/~zhangyp/papers/p129-qian.pdf) computation, use a sum of hash values and require a modulus larger than...