update readme to link fine-tuning guide (#650)

README.md

@@ -9,14 +9,11 @@ Most code examples are written in Python, though the concepts can be applied in
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 ## Recently added/updated 🆕 ✨
+- [How to fine-tune chat models](https://github.com/openai/openai-cookbook/blob/main/examples/How_to_finetune_chat_models.ipynb) [Aug 22, 2023]
 - [How to evaluate abstractive summarization](examples/evaluation/How_to_eval_abstractive_summarization.ipynb) [Aug 16, 2023]
 - [Whisper prompting guide](examples/Whisper_prompting_guide.ipynb) [June 27, 2023]
 - [Question answering using a search API and re-ranking](https://github.com/openai/openai-cookbook/blob/main/examples/Question_answering_using_a_search_API.ipynb) [June 16, 2023]
 - [How to call functions with Chat models](https://github.com/openai/openai-cookbook/blob/main/examples/How_to_call_functions_with_chat_models.ipynb) [June 13, 2023]
-- [Related resources from around the web](https://github.com/openai/openai-cookbook#related-resources-from-around-the-web) [May 22, 2023]
-- [Embeddings playground (streamlit app)](apps/embeddings-playground/README.md) [May 19, 2023]
-- [How to use a multi-step prompt to write unit tests](examples/Unit_test_writing_using_a_multi-step_prompt.ipynb) [May 19, 2023]
-- [How to create dynamic masks with DALL·E and Segment Anything](examples/dalle/How_to_create_dynamic_masks_with_DALL-E_and_Segment_Anything.ipynb) [May 19, 2023]
 
 ## Guides & examples