Better Twig Support

[Sam7367238]

Description

When using the twig templating engine, I think that many things are missing, some good examples are twig-specific components, uri() for forms, and CSRF tokens. This would be a nice addition to tempest.
And perhaps make using twig in tempest easier to configure, like adding functions, globals, etc.

Benefits

This is for developers that want to use the twig templating engine, they can benefit a lot from this.