refactor: change folder structure

02-Project-Based/Session05/Session05 Backend.md

@@ -0,0 +1,27 @@
+
+# 🛠️ Task Checklist
+## CORS (Backend Repository)
+- [ ] open `program.cs` and add the following lines
+
+```c#
+builder.Services.AddCors(options =>
+{
+    options.AddPolicy("Frontend", policy =>
+    {
+        policy.WithOrigins("http://localhost:5173")
+        .AllowAnyHeader()
+        .AllowAnyMethod();
+    });
+});
+
+...
+
+app.UseCors("Frontend");
+```
+
+
+# 🧠 Hints & Notes
+# 🙌 Acknowledgements
+
+- ChatGPT for snippet refinement and explanations
+# 🔍 References