Docs update: (#857)

apps/docs/docs/examples/_category_.yml

apps/docs/docs/examples/chat_engine.mdx

apps/docs/docs/examples/local_llm.mdx

apps/docs/docs/examples/more_examples.mdx

apps/docs/docs/examples/other_llms.mdx

apps/docs/docs/getting_started/environments.md

apps/docs/docs/getting_started/installation.mdx

apps/docs/docs/getting_started/starter.mdx

...docs/docs/getting_started/starter_tutorial/_category_.yml

apps/docs/docs/getting_started/starter_tutorial/agent.mdx

apps/docs/docs/getting_started/starter_tutorial/chatbot.mdx

.../getting_started/starter_tutorial/images/create_llama.png

...arted/starter_tutorial/retrieval_augmented_generation.mdx

...g_started/starter_tutorial/structured_data_extraction.mdx

apps/docs/docs/guides/_category_.yml

apps/docs/docs/guides/agents/1_setup.mdx

apps/docs/docs/guides/agents/2_create_agent.mdx

apps/docs/docs/guides/agents/3_local_model.mdx

apps/docs/docs/guides/agents/4_agentic_rag.mdx

apps/docs/docs/guides/agents/5_rag_and_tools.mdx