feat: add llm models in Dograh (#64)

api/services/configuration/registry.py

@@ -157,8 +157,11 @@ class AzureLLMService(BaseLLMConfiguration):
 # Dograh LLM Service
 class DograhLLMModel(str, Enum):
     DEFAULT = "default"
-    FAST = "fast"
     ACCURATE = "accurate"
+    FAST = "fast"
+    LITE = "lite"
+    ZEN = "zen"
+    ZEN_LITE = "zen_lite"
 
 
 @register_llm

api/services/pipecat/service_factory.py

@@ -26,9 +26,7 @@ def create_stt_service(user_config):
     """Create and return appropriate STT service based on user configuration"""
     if user_config.stt.provider == ServiceProviders.DEEPGRAM.value:
         live_options = LiveOptions(
-            language="multi",
-            profanity_filter=False,
-            endpointing=100
+            language="multi", profanity_filter=False, endpointing=100
         )
         return DeepgramSTTService(
             live_options=live_options,