Update CHANGELOG and setup.py.

Author: drazvan

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [0.2.0] - 2023-05-31
 
 ### Added
 

setup.py

@@ -20,7 +20,7 @@
 
 setup(
     name="nemoguardrails",
-    version="0.1.0",
+    version="0.2.0",
     packages=find_packages(),
     author="NVIDIA",
     author_email="nemoguardrails@nvidia.com",
@@ -33,11 +33,12 @@
     requests, following a predefined dialog path, using a particular language style,
     extracting structured data, etc.
 
-    **Key Benefits**
+    Key Benefits:
+
     - Building Trustworthy, Safe and Secure LLM Conversational Systems: The core value of
     using NeMo Guardrails is the ability to write fuzzy rails to steer select conversations.
     Developers can choose to define the behavior of their LLM-powered bots on certain
-    topics and keep their creativity un-encombered for others!
+    topics and keep their creativity un-encumbered for others!
 
     - Connect models, chains, services, and more via actions: LLMs don't need to solve
     all the challenges. NeMo Guardrails provides the ability to connect your codebase or