* main:
  .
  feat(optimization): simplification of `verify_sha256_pkcs1v15` logic
  feat: add support for public exponent 3
  .
  .
  chore: add CI
  adding suggestions
  docs: update readme with benchmark results
  updated example and readme
  stopped being a lazy ass and did the rest of it
  reorg, adding an example, refactoring the readme
  Add benchmarks section
  Add installation section
  Add dependencies section
  Add example section TODOs
  Supplement parameter parsing section
  Add signature gathering section
  swithc to bignum 0.3.0 and remove usage of u64 num generics