Add Caching for faster response time.

[ildyria]

Probably one of the biggest speed up available to anonymous users.
Will allow to use redis.

[codecov]

Codecov Report

Attention: Patch coverage is 60.62992% with 100 lines in your changes missing coverage. Please review.

Project coverage is 90.15%. Comparing base (dd2f220) to head (a42f6b8).
Report is 5 commits behind head on master.

Additional details and impacted files

[tinohager]

@d7415 Hello Martin, I would be delighted if you could take a look here :)

[tinohager]

@ildyria Will we make any progress here in the near future?

[ildyria]

@ildyria Will we make any progress here in the near future?

I hope so. :)

If @RonnieTaz or @JasonMillward or @sancsin have some time to take a look.

[sancsin]

I can have a look at it a little today. Can't promise that I will be able to go through everything today though. But will try my best