2.0.2215

[MrStahlfelge]

• Mosaik implementation upgraded with lots of improvements and enhancements
• ErgoPay can use chained transactions
• can suggest alternative nodes (if information is available on node that was connected to)
• improved ErgoDex/spectrum.fi price api
• iOS qr codes improved, better scanable from Android
• new icons to differentiate read-only wallets
• introduced first compose UI screen in Android