* update: added multi-file support
* update: fixed display issue with single vs multi-file
* update: merge from latest changes in explorer
* update: .env file for testing purpose
* update: fixed issue with language parameter supplying wrong values to backend service
* update: added support for proxy
* update: fixed env for testing
* update: enabled contract verification on front end and added metamask button for proxy writes
* update: added beacon contract support and fixed issue with proxy contracts
* update: fixed .env