Open source TexasHoldem!
Open source TexasHoldem!

This change open sources the TexasHoldem game implementation.

Note: we're looking for folks who are interested to reproduce the Pluribus result to define certain aspects such as the informationState in such a way to effectively collapse states for computational efficiency.

Fixes #5

PiperOrigin-RevId: 266051344

deepmind/open_spiel,deepmind/open_spiel,deepmind/open_spiel,deepmind/open_spiel,deepmind/open_spiel,deepmind/open_spiel