Fix links in xet proto contents pages

Author: rajatarya

docs/hub/xet/protocol/architecture.md

@@ -6,10 +6,10 @@ These pages will describe the overall Xet architecture, including how to perform
 
 ## Contents
 
-- [Content-Defined Chunking](./xet/protocol/chunking)
-- [Hashing Methods](./xet/protocol/hashing)
-- [File Reconstruction](./xet/protocol/file-reconstruction)
-- [Xorb Format](./xet/protocol/xorb)
-- [Shard Format](./xet/protocol/shard)
-- [Deduplication](./xet/protocol/deduplication)
+- [Content-Defined Chunking](./chunking)
+- [Hashing Methods](./hashing)
+- [File Reconstruction](./file-reconstruction)
+- [Xorb Format](./xorb)
+- [Shard Format](./shard)
+- [Deduplication](./deduplication)
 

docs/hub/xet/protocol/building-client.md

@@ -4,9 +4,9 @@ These pages explain how you can build a client library for Xet storage. Included
 
 ## Contents
 
-- [Upload Protocol](./xet/protocol/upload-protocol)
-- [Download Protocol](./xet/protocol/download-protocol)
-- [CAS API](./xet/protocol/api)
-- [Authentication and Authorization](./xet/protocol/auth)
-- [Hub file conversion to Xet File ID](./xet/protocol/file-id)
+- [Upload Protocol](./upload-protocol)
+- [Download Protocol](./download-protocol)
+- [CAS API](./api)
+- [Authentication and Authorization](./auth)
+- [Hub file conversion to Xet File ID](./file-id)