Ollama/LiteLLM integration: Make api base configurable

[moppman]

Hi,

#463 enables Ollama for ShellGPT, which is awesome.

Would you consider making the API base URL configurable in .sgptrc? LiteLLM defaults to api_base="http://localhost:11434" here.
It would be nice to be able to use ShellGPT with non-local endpoints.

Thanks!

[TheR1D]

Hi @moppman, thank you for reporting this issue. We will address this in upcoming updates. We already have an issue related to OPENAI_BASE_URL #473, given that I will close this one as duplicate.