readme updated
Revert "connessione con il db"

This reverts commit ac2cad1917ac8a43aea8b812220398300e941a96.
Revert "readme updated"

This reverts commit a770e7cd82e73080a1e196a859794a629e43f25f.
Revert "Revert "connessione con il db""

This reverts commit eecf49fd98d7fc7a15713c6c6f719e9f52fab51f.