New big-AGI integration (#1078)

* New big-AGI integration

Ollama works great in big-AGI, and this document explains how to link the two projects.

* Update README.md

README.md

@@ -224,6 +224,7 @@ See the [API documentation](./docs/api.md) for all endpoints.
 - [Minimalistic React UI for Ollama Models](https://github.com/richawo/minimal-llm-ui)
 - [Web UI](https://github.com/ollama-webui/ollama-webui)
 - [Ollamac](https://github.com/kevinhermawan/Ollamac)
+- [big-AGI](https://github.com/enricoros/big-agi/blob/main/docs/config-ollama.md)
 
 ### Terminal