cricket becomes a module, actual app page
* cricket is now a module per @nyuszika7h
* dummy app pages showcases cricket's basic layout
* for a more detailed version, please see https://docs.google.com/drawings/d/1LxMUPgoa4g4btv9HuY0sTMoUHbkUscAl2vYXNMYTvv8/edit?usp=sharing