Enhancement

What's Changed

• Feature usability mods by @fiveghz in #26
• Merge to main by @linjungz in #28

Add support for additional configuration for API request as environment variables, such as temperature, request time out and so forth.
Add support for choosing existing vector store in web ui

New Contributors

• @fiveghz made their first contribution in #26

Full Changelog: v0.4.0...v0.4.1