Create authentication interface and memory actor

[ztkmkoo]

motivation

Add the authentication actor to authenticate the request.

job

• add authentication interface under io.github.ztkmkoo.dss.core.actor.security package
• add authentication command interface under io.github.ztkmkoo.dss.core.message.security package
• add DssRestAuthenticationActor under io.github.ztkmkoo.dss.core.actor.rest package
  • DssRestAuthenticationActor initialize with specific users
  • user info must contains at least user name and password
  • save this username and password list in local memory
  • DssRestAuthenticationActor can handle authentication message
  • check username and password is valid
  • if valid issue an 128-bit token
  • save the issued token in local memory
  • DssRestAuthenticationActor can handle authorization message
  • check if token is valid
  • response the token validation result(simple like true false)

[RulLu16]

@RulLu16 I'll try this.