Add cogames.cogs-v-clips install/training command

[relh]

Install (pip or uv/pip):

pip install setuptools numpy torch

Then:

pip install pufferlib[cogames] --no-build-isolation

Train:

puffer train cogames.cogs-v-clips.training_facility.harvest

or:

puffer train cogames.cogs-v-clips.machina_1.open_world

Everything currently runs but it's hooked up to a few simplifying variants:

lonely_heart = less resources per heart
heart_chorus = shaped rewards via diversity etc
neutral_faced = only one vibe/glyph
pack_rat = lots of inventory space

puffer train cogames.cogs-v-clips.training_facility.harvest --train.device cpu --vec.num-workers 12 --vec.num-envs 144 gets to hearts: agent/heart.gained 9.240 in 20m on a macbook