Creation of base template (#1)

* Sample template created

* added findByName functionality for item

* Solve Cors errors and inhibit DefaultExposure

* changed project structure

* Added frontend

backend/src/main/whattocook/exception/ItemNotFoundException.java

@@ -0,0 +1,23 @@
+package whattocook.exception;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+@ResponseStatus(HttpStatus.NOT_FOUND)
+public class ItemNotFoundException extends RuntimeException {
+
+    private static final long serialVersionUID = 1L;
+
+    public ItemNotFoundException(){
+        super();
+    }
+
+    public ItemNotFoundException(String message) {
+        super(message);
+    }
+
+    public ItemNotFoundException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+}