Add Groq API key configuration to .secrets_template.toml

pr_agent/settings/.secrets_template.toml

@@ -29,6 +29,9 @@ key = "" # Optional, uncomment if you want to use Cohere. Acquire through https:
 [replicate]
 key = "" # Optional, uncomment if you want to use Replicate. Acquire through https://replicate.com/
 
+[groq]
+key = "" # Acquire through https://console.groq.com/keys
+
 [huggingface]
 key = "" # Optional, uncomment if you want to use Huggingface Inference API. Acquire through https://huggingface.co/docs/api-inference/quicktour
 api_base = "" # the base url for your huggingface inference endpoint