unstructured

d80abf07 - Reorganized the Examples section in Documentation & add Databricks example (#1855)

Reorganized the Examples section in Documentation & add Databricks example (#1855) To test: > cd docs && make html Change logs: * Examples are reorganized to have its own page * Removed two old examples, ie. "file-utils" & "sentiment analysis". * Added two examples: "RAG with Unstructured, LangChain, and ChromaDB" & "Multi-Files Processing with S3 Connector and API" * Reorganized and added detailed API documentation: (i) usage, (ii) SDKs, (iii) Azure Marketplace, (iv) AWS Marketplace, (v) parameters and validation errors