Update requirement files with new feature templates and fix backend API error message, along with mobile project config updates and documentation improvements

01_Requirements/REQ0134/index.md

@@ -1 +1,23 @@
-# DemoOrderingApp
+---
+tags: requirements
+---
+
+# REQ0134-DemoOrderingApp
+
+## description
+
+<Ordering App.png>
+
+## schema
+
+```dbml
+// Add your DBML here
+Table orders {
+  id integer
+  item string
+}
+```
+
+## related
+
+[]