refactor: implement custom gateway

[florian-hoenicke]

request docs page for grcp deployments on wolf

UAC

• [ ] add BFF logic to app
• [ ] once the app is updated, a new gateway image has to be built
• [ ] implement our own custom gateway

[fogx]

custom gateway is released now from Core

[JoanFM]

Custom Gateway is hiddenly released from Core and will not be in the exact same shape, but u can internally start using it. Some minor changes may come in other versions.

You can consult @alaeddine-13 on how to do it

[florian-hoenicke]

We can not start with it at the moment because:

• Https endpoint enabled for bff / playground

More on this in the thread here