refactor(dspy): added prem integration as remote llm inside main doc

Author: Anindyadeep

docs/docs/building-blocks/1-language_models.md

@@ -137,6 +137,7 @@ lm = dspy.{provider_listed_below}(model="your model", model_request_kwargs="..."
 
 4. `dspy.Together` for hosted various open source models.
 
+5. `dspy.PremAI` for hosted best open source and closed source models.
 
 ### Local LMs.
 
@@ -173,4 +174,4 @@ model = 'dist/prebuilt/mlc-chat-Llama-2-7b-chat-hf-q4f16_1'
 model_path = 'dist/prebuilt/lib/Llama-2-7b-chat-hf-q4f16_1-cuda.so'
 
 llama = dspy.ChatModuleClient(model=model, model_path=model_path)
-```
+```