Myjwt

Changed
- cli
- unit test
- fix bugs
- documentation
- ci
- docker
Added
- ChangeLog
- new pypi documentation
- new pypi classifier
- flake8 check
- version for requirements.txt

Added
- modify jwt
- non-vulnerability
- sign key
- brute-force
- rsa/hmac confusion
- kid injection
- cli
- unit test
- wordlist