chat: add configure openai api base and model

[lroolle]

Add support to configure OPENAI_API_BASE & OPENAI_MODEL in env local

[gregnr]

Thanks @lroolle! Would you mind adding some docs for this in the apps/postgres-new README? We should also add a disclaimer that says that the current prompts/tools were designed around GPT-4o, so expect other models to behave differently and produce different results. And also that you will need to choose a model that supports tool (function) call capabilities.

[lroolle]

Thanks @lroolle! Would you mind adding some docs for this in the apps/postgres-new README? We should also add a disclaimer that says that the current prompts/tools were designed around GPT-4o, so expect other models to behave differently and produce different results. And also that you will need to choose a model that supports tool (function) call capabilities.

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hi @gregnr, README updated

[gregnr]

Thanks @lroolle!