docs: provider formatting updates

docs/docs/providers/files/index.mdx

@@ -1,4 +1,7 @@
 ---
+description: "Files
+
+    This API is used to upload documents that can be used with other Llama Stack APIs."
 sidebar_label: Files
 title: Files
 ---
@@ -7,4 +10,8 @@ title: Files
 
 ## Overview
 
+Files
+
+    This API is used to upload documents that can be used with other Llama Stack APIs.
+
 This section contains documentation for all available providers for the **files** API.

docs/docs/providers/inference/index.mdx

@@ -1,5 +1,7 @@
 ---
-description: "Llama Stack Inference API for generating completions, chat completions, and embeddings.
+description: "Inference
+
+    Llama Stack Inference API for generating completions, chat completions, and embeddings.
 
     This API provides the raw interface to the underlying models. Two kinds of models are supported:
     - LLM models: these models generate \"raw\" and \"chat\" (conversational) completions.
@@ -12,6 +14,8 @@ title: Inference
 
 ## Overview
 
+Inference
+
     Llama Stack Inference API for generating completions, chat completions, and embeddings.
 
     This API provides the raw interface to the underlying models. Two kinds of models are supported:

docs/docs/providers/safety/index.mdx

@@ -1,4 +1,7 @@
 ---
+description: "Safety
+
+    OpenAI-compatible Moderations API."
 sidebar_label: Safety
 title: Safety
 ---
@@ -7,4 +10,8 @@ title: Safety
 
 ## Overview
 
+Safety
+
+    OpenAI-compatible Moderations API.
+
 This section contains documentation for all available providers for the **safety** API.