Support JWT auth

[kdhrubo]

A servlet filter that is capable of validating different aspects of the JWT token + JWKS

https://connect2id.com/products/nimbus-jose-jwt/examples/validating-jwt-access-tokens

[rajivmca2004]

I am working on this.

[kdhrubo]

Feature to move to enterprise edition

[kdhrubo]

@lserveriiev has completed this issue

#713

Hence closing.