v0.2.0

New Feature

• new class OllamaInstructorAsyncClient to support asynchronous operations (currently only chat_completion is supported)
• added tests for helper functions from cleaner.py
• added test for synchronous chat_completion and asynchronous chat_completion
• added description and example code for asynchronous chat_completion in README.md
• updated Roadmap.md
• updated version to 0.2.0

Full Changelog: v0.1.3...v0.2.0