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

01_Requirements/REQ0119/index.md

@@ -1 +1,21 @@
-# Demo2FaExample
+---
+tags: mobile
+---
+
+# REQ0119-Demo2FaExample
+
+## description
+
+A demonstration of two-factor authentication implementation examples
+
+## schema
+
+```dbml
+{
+  // To be defined
+}
+```
+
+## related
+
+-