Add psychic.dev universal API (#3860)

Co-authored-by: Kieran <32241933+KieranRobson@users.noreply.github.com>
Co-authored-by: nodiscc <nodiscc@gmail.com>

README.md

@@ -1795,6 +1795,7 @@ Software for easy installation, management and configuration of self-hosted serv
 - [Kong](https://konghq.com/kong/) - The World’s Most Popular Open Source Microservice API Gateway and Platform. ([Source Code](https://github.com/Kong/kong)) `Apache-2.0` `Lua`
 - [Lura](https://luraproject.org/) - Open source High-Performance API Gateway. ([Source Code](https://github.com/luraproject/lura)) `Apache-2.0` `Go`
 - [Para](https://paraio.org) - Flexible and modular backend framework/server for object persistence, API development and authentication. ([Source Code](https://github.com/erudika/para)) `Apache-2.0` `Java`
+- [Psychic](https://www.psychic.dev/) - Universal API to connect large language models to dynamic data sources. ([Source Code](https://github.com/psychic-api/psychic)) `GPL-3.0` `Python`
 - [Svix](https://svix.com) - Open-source webhooks as a service that makes it super easy for API providers to send webhooks. ([Source Code](https://github.com/svix/svix-webhooks)) `MIT` `Docker/Rust`
 - [Tyk](https://tyk.io) - Fast and scalable open source API Gateway. Out of the box, Tyk offers an API Management Platform with an API Gateway, API Analytics, Developer Portal and API Management Dashboard. ([Source Code](https://github.com/TykTechnologies/tyk)) `MPL-2.0` `Go`
 - [Yaade](https://docs.yaade.io/) - Yaade is an open-source, self-hosted, collaborative API development environment. ([Source Code](https://github.com/EsperoTech/yaade)) `MIT` `Docker`