chore(llm): add docstring for the base and aws llm controllers

src/damavand/base/controllers/llm.py

@@ -11,7 +11,32 @@
 
 
 class LlmController(ApplicationController):
-    """ """
+    """
+    Base class for LLM Controllers. This class provides the basic functionality for interacting with LLM APIs. The LLM APIs are following the OpenAI Chat Completions API model. For more information, see the [OpenAI documentation](https://platform.openai.com/docs/api-reference/chat/create).
+
+    LLM Controllers are using vLLM as backend for hardware optimization and serving open source models. For available list of models, see the [vLLM documentation](https://docs.vllm.ai/en/latest/models/supported_models.html).
+
+    Parameters
+    ----------
+    name : str
+        The name of the controller.
+    model : Optional[str]
+        The model name or ID.
+    tags : dict[str, str]
+
+    Methods
+    -------
+    model_id
+        Return the model name/ID.
+    base_url
+        Return the base URL for the LLM API.
+    default_api_key
+        Return the default API key.
+    chat_completions_url
+        Return the chat completions URL.
+    client
+       Return an OpenAI client as an standared interface for interacting with deployed LLM APIs.
+    """
 
     def __init__(
         self,
@@ -57,7 +82,7 @@ def chat_completions_url(self) -> str:
     @runtime
     @cache
     def client(self) -> "openai.OpenAI":  # type: ignore # noqa
-        """Return an OpenAI client."""
+        """Return an OpenAI client as an standared interface for interacting with deployed LLM APIs."""
 
         try:
             import openai  # type: ignore # noqa

src/damavand/cloud/aws/controllers/llm.py

@@ -16,6 +16,29 @@
 
 
 class AwsLlmController(LlmController):
+    """
+    AWS implementation of the LLM Controller. You can check LlmController for more information.
+
+    Parameters
+    ----------
+    name : str
+        The name of the controller.
+    region : str
+        The AWS region.
+    model : Optional[str]
+        The model name or ID.
+    tags : dict[str, str]
+
+    Methods
+    -------
+    base_url
+        Return the base URL for the LLM API.
+    default_api_key
+        Return the default API key.
+    resource
+        Return the Pulumi IaC AwsVllmComponent object.
+    """
+
     def __init__(
         self,
         name,