✨ New Features for Ðash Chum 🛠 [JS, Dash]

Adding some new features and updates to Dash Chum, including network selection (testnet vs devnet), username registration and sending funds between wallets based on address or username.

This stream got inadvertently cut short, see https://rumble.com/v1v019a--new-features-for-ash-chum-js-dash-take-2.html for the longer stream