Create troubleshooting.md

docs/troubleshooting.md

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+# Troubleshooting
+
+## Podman on macOS
+
+If using Podman on macOS, you may need to increase VM memory:
+
+```bash
+podman machine stop
+podman machine rm
+podman machine init --memory 8192   # 8 GB example
+podman machine start
+```
+
+## Common Issues
+
+1. OpenSearch fails to start: Check that `OPENSEARCH_PASSWORD` is set and meets requirements
+2. Langflow connection issues: Verify `LANGFLOW_SUPERUSER` credentials are correct
+3. Out of memory errors: Increase Docker memory allocation or use CPU-only mode
+4. Port conflicts: Ensure ports 3000, 7860, 8000, 9200, 5601 are available