renamed messages and checked onConnect message
renamed messages and checked onConnect message

prefixed all messages with "cross-storage:" to ensure it does not collide with other messages. Checked the message.data for initial connection to accept only the ready message, not any message.
zendesk/cross-storage,zongkelong/cross-storage,tempbottle/cross-storage,cazacugmihai/cross-storage,pixeldrew/cross-storage,tempbottle/cross-storage,zendesk/cross-storage,zongkelong/cross-storage,emiljas/cross-storage,emiljas/cross-storage,cazacugmihai/cross-storage,pixeldrew/cross-storage