Reorganize Storage Backend docs

Author: rajatarya

docs/hub/_toctree.yml

@@ -47,8 +47,19 @@
     title: Repository Settings
   - local: storage-limits
     title: Storage Limits
-  - local: storage-backends
-    title: Storage Backends
+  - local: xet/index
+    title: Storage Backend (Xet)
+    sections:
+    - local: xet/overview
+      title: Xet History & Overview
+    - local: xet/using-xet-storage
+      title: Using Xet Storage
+    - local: xet/deduplication
+      title: Deduplication
+    - local: xet/legacy-git-lfs
+      title: Backwards Compatibility & Legacy
+    - local: xet/security
+      title: Security
   - local: repositories-pull-requests-discussions
     title: Pull Requests & Discussions
   - local: notifications

docs/hub/repositories.md

@@ -17,7 +17,7 @@ In these pages, you will go over the basics of getting started with Git and Xet
 - [Getting Started with Repositories](./repositories-getting-started)
 - [Settings](./repositories-settings)
 - [Storage Limits](./storage-limits)
-- [Storage Backend - Xet](./storage-backends)
+- [Storage Backend (Xet)](/.xet)
 - [Pull Requests & Discussions](./repositories-pull-requests-discussions)
   - [Pull Requests advanced usage](./repositories-pull-requests-discussions#pull-requests-advanced-usage)
 - [Collections](./collections)

docs/hub/storage-backends.md renamed to docs/hub/xet/index.md

@@ -1,4 +1,4 @@
-# Xet Storage
+# Xet: our Storage Backend
 
 Repositories on the Hugging Face Hub are different from those on software development platforms. They contain files that are:
 
@@ -13,14 +13,13 @@ Instead, on the Hub, these large files are tracked using "pointer files" and ide
 
 Historically, Hub repositories have relied on [Git LFS](https://git-lfs.com/) for this mechanism. While Git LFS remains supported (see [Backwards Compatibility & Legacy](./xet/legacy-git-lfs)), the Hub has adopted Xet, a modern custom storage system built specifically for AI/ML development. It enables chunk-level deduplication, smaller uploads, and faster downloads than Git LFS.
 
-In these pages you will get started in using Xet Storage, including the open-source Xet protocol.
+In these pages you will get started in using Xet Storage.
 
 ## Contents
 
 - [Xet History & Overview](./xet/overview)
 - [Using Xet Storage](./xet/using-xet-storage)
 - [Deduplication](./xet/deduplication)
-- [Open Source Xet Protocol](./xet/protocol/index)
 - [Backwards Compatibility & Legacy](./xet/legacy-git-lfs)
 - [Security](./xet/security)