Moved examples into example directory

Moved routes to separate file
Used route constants

src/features/examples/counter/services/counterAPI.ts

@@ -0,0 +1,6 @@
+// A mock function to mimic making an async request for data
+export function fetchCount(amount = 1) {
+  return new Promise<{ data: number }>((resolve) =>
+    setTimeout(() => resolve({ data: amount }), 500),
+  );
+}