[Addon] Create redis addon with redis-operator

[wonderflow]

Is your feature request related to a problem? Please describe.

Redis is famous as a cache middleware.

Describe the solution you'd like

The addon should contain:

• installation of the crd and operator https://github.com/spotahome/redis-operator
• Useful and reliable ComponentDefinition
  • Health check of redis cluster
  • Expose an endpoint for using
  • Support scale up (scale down can be optional)
• Documentation
  • use redis cli to connect with demo
  • Other usage integration .

Describe alternatives you've considered

Additional context

[charlie0129]

/assign