change version (#73)

Author: cat-state

setup.cfg

@@ -1,7 +1,7 @@
 [metadata]
 name = trlx
 author = Alex Havrilla
-version = 1.0.0
+version = 0.2.0
 url = https://github.com/CarperAI/trlx
 description = A repo for distributed training of language models with Reinforcement Learning via Human Feedback (RLHF)
 long_description = file: README.md