[+] ignore generated file in web/frosting directory
Revert "[+] ignore generated file in web/frosting directory"

This reverts commit a31712c5335c9c1c1e63b56590a7b9267b6ee3bc.
[+] ignore content of web/frosting directory since it's generated
[b] missing echo in frosting.json file for cache path
[b] in some version of php calling the constructor with paramete when it doesn't exist trough reflexion throw a exception