feat: move examples to ./apps (#2507)

# Summary

Due to the large number of example apps in the repository, I decided to
change the structure and move all applications into an "apps" folder to
maintain a clear structure.

apps/fabric-example/jest.config.js

@@ -0,0 +1,3 @@
+module.exports = {
+  preset: 'react-native',
+};