New Container: OpenFGA

[demetere]

What is the new container you'd like to have?

I think it would be nice to have OpenFGA as a new container, this repository is relatively new for me but I can contribute if it is required to do so. I can see that OpenFGA is already present for Java and Go

Other references:

https://openfga.dev/docs/getting-started/setup-openfga/docker