Fix missing links in SUMMARY.md (#168)

Author: josepot

src/SUMMARY.md

@@ -14,7 +14,10 @@
     - [archive_v1_genesisHash](api/archive_v1_genesisHash.md)
     - [archive_v1_hashByHeight](api/archive_v1_hashByHeight.md)
     - [archive_v1_header](api/archive_v1_header.md)
+    - [archive_v1_stopStorage](api/archive_v1_stopStorage.md)
+    - [archive_v1_stopStorageDiff](api/archive_v1_stopStorageDiff.md)
     - [archive_v1_storage](api/archive_v1_storage.md)
+    - [archive_v1_storageDiff](api/archive_v1_storageDiff.md)
   - [chainHead](api/chainHead.md)
     - [chainHead_v1_body](api/chainHead_v1_body.md)
     - [chainHead_v1_call](api/chainHead_v1_call.md)