Deepseek models integration (#1051)

* New models added deepseek v3 and r1

* models added in drop down

Author: kaustubh-darekar

backend/example.env

@@ -49,3 +49,5 @@ BEDROCK_EMBEDDING_MODEL="model_name,aws_access_key,aws_secret_key,region_name"
 LLM_MODEL_CONFIG_bedrock_nova_micro_v1="model_name,aws_access_key,aws_secret_key,region_name"        #model_name="amazon.nova-micro-v1:0"
 LLM_MODEL_CONFIG_bedrock_nova_lite_v1="model_name,aws_access_key,aws_secret_key,region_name"         #model_name="amazon.nova-lite-v1:0"
 LLM_MODEL_CONFIG_bedrock_nova_pro_v1="model_name,aws_access_key,aws_secret_key,region_name"          #model_name="amazon.nova-pro-v1:0"
+LLM_MODEL_CONFIG_fireworks_deepseek_r1="model_name,fireworks_api_key"      #model_name="accounts/fireworks/models/deepseek-r1"
+LLM_MODEL_CONFIG_fireworks_deepseek_v3="model_name,fireworks_api_key"      #model_name="accounts/fireworks/models/deepseek-v3"

frontend/src/utils/Constants.ts

@@ -31,6 +31,8 @@ export const llms =
         'bedrock_nova_micro_v1',
         'bedrock_nova_lite_v1',
         'bedrock_nova_pro_v1',
+        'fireworks_deepseek_r1',
+        'fireworks_deepseek_v3'
       ];
 
 export const supportedLLmsForRagas = [