Add quote and order HTTP APIs on manifest documents.

Expose store-backed CRUD for quotes and sales orders with shared ManifestLine shapes, entityId customers, and documented date semantics.

src/db/store.js

@@ -25,6 +25,8 @@ const STORE_NAMESPACES = [
     'entity',
     'entityaddress',
     'entitycontact',
+    'quote',
+    'order',
 ];
 
 /**