Add config snapshot for rdf module

config/sync/config_snapshot.snapshot.config_sync.module.rdf.yml

@@ -8,4 +8,27 @@ id: config_sync.module.rdf
 snapshotSet: config_sync
 extensionType: module
 extensionName: rdf
-items: {  }
+items:
+  -
+    collection: ''
+    name: rdf.mapping.user.user
+    data:
+      langcode: en
+      status: true
+      dependencies:
+        module:
+          - user
+        enforced:
+          module:
+            - user
+      id: user.user
+      targetEntityType: user
+      bundle: user
+      types:
+        - 'schema:Person'
+      fieldMappings:
+        name:
+          properties:
+            - 'schema:name'
+      _core:
+        default_config_hash: xtzuACq4Fn0ail4YD8cO_eMnn_g2DBlfI9W5oSpcRWI