Add embedchain to articles/related_resources (openai#864)

Author: taranjeet

articles/related_resources.md

@@ -6,6 +6,7 @@ People are writing great tools and papers for improving outputs from GPT. Here a
 
 - [Arthur Shield](https://www.arthur.ai/get-started): A paid product for detecting toxicity, hallucination, prompt injection, etc.
 - [Chainlit](https://docs.chainlit.io/overview): A Python library for making chatbot interfaces.
+- [Embedchain](https://github.com/embedchain/embedchain): A Python library for managing and syncing unstructured data with LLMs.
 - [FLAML (A Fast Library for Automated Machine Learning & Tuning)](https://microsoft.github.io/FLAML/docs/Getting-Started/): A Python library for automating selection of models, hyperparameters, and other tunable choices.
 - [Guardrails.ai](https://shreyar.github.io/guardrails/): A Python library for validating outputs and retrying failures. Still in alpha, so expect sharp edges and bugs.
 - [Guidance](https://github.com/microsoft/guidance): A handy looking Python library from Microsoft that uses Handlebars templating to interleave generation, prompting, and logical control.