begin GenAI platform docs

Author: s-sajid-ali

docs/genai/01_intro.md

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+# Pythia, the Generative AI platform for Research workflows
+
+:::tip[Non-research workflows]
+If you're looking to harness Generative AI for administrative or classroom use, please reach out to genai-support@nyu.edu
+:::
+
+Welcome to Pythia, the generative AI platform for research workflows. 

docs/genai/02_genai_at_nyu/01_llm_access.md

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+# Portkey
+
+What is Portkey?
+
+How can researchers be onboarded onto it.

docs/genai/02_genai_at_nyu/02_catalogue.md

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+# External models listed by provider
+
+## OpenAI
+GPT-4o-mini
+text-embedding-3-small
+
+## VertexAI
+Gemini-2.0-*
+
+
+

docs/genai/02_genai_at_nyu/03_playground.md

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+# OpenWebUI
+
+Provided as a way to access all external LLMs via a GUI.

docs/genai/02_genai_at_nyu/_category_.json

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+{
+  "label": "Access externally hosted LLMs",
+}

docs/genai/03_llm_fine_tuning/01_intro.md

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+# Fine tuning
+
+You can use HPC for this. But for most cases, RAG might suffice. Please look into harnessing RAG before attempting to fine-tune a model.

docs/genai/03_llm_fine_tuning/_category_.json

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+{
+  "label": "Fine-tuning LLMs",
+}

docs/genai/04_vector_databases/01_intro.md

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+# Vector Databases
+
+What is it? How is it different from a regular database?
+
+Milvus at NYU.

docs/genai/04_vector_databases/_category_.json

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+{
+  "label": "Vector Databases",
+}