[#287] Add CONTRIBUTING.md (@venantius)
[#287] Add CONTRIBUTING.md (@venantius)

http-kit/http-kit,http-kit/http-kit,http-kit/http-kit,ptaoussanis/http-kit,ptaoussanis/http-kit,ptaoussanis/http-kit,ptaoussanis/http-kit,http-kit/http-kit,http-kit/http-kit,ptaoussanis/http-kit,ptaoussanis/http-kit,http-kit/http-kit