Clean up file paths

[trevorspires]

Spotted some file paths to local files in the example code. Will make edits so its more templatized.

https://github.com/aws-samples/genai-quickstart-pocs/blob/main/genai-quickstart-pocs-python/amazon-bedrock-rag-opensearch-serverless-poc/docs_to_openSearch.py

[trevorspires]

I plan to own this workstream.

Likely to have an update in the next ~7ish days

[flamingquaks]

@trevorspires is this still an active work item or can we close this?