[DOCS] Update Docker documentation to show how to setup Ollama with Dockerized...

[DOCS] Update Docker documentation to show how to setup Ollama with Dockerized version of AnythingLLM (#774)

* update HOW_TO_USE_DOCKER to help with Ollama setup using docker

* update HOW_TO_USE_DOCKER

* styles update

* create separate README for ollama and link to it in HOW_TO_USE_DOCKER

* styling update