[BUG] Groq Missing from LLM Setup

[DFanso]

The providers list includes ["OpenAI", "Claude", "Gemini", "Grok"] but Groq is missing, even though:
README.md documents Groq support
internal/groq/groq.go exists with implementation

[adeeshperera]

Hey @DFanso
Can you please assign this issue to me?

[DFanso]

Sure @adeeshperera