v15-(1405-1-22)

• update mahsa-core to v26.3.31
• add Dnstt & xdns support
• add Psiphon + Conduit support (thanks to Samim for adding psiphon core)
• ability to select country for psiphon
• ability to run psiphon alone or chain after some v2ray config (using F menu)
• add DNS-scanner tool
• much improvement for navigation on TV
• add speed test in main screen
• add dns-backup configs in EMS menu
• ability to update sub through vpn
• ability to limit dnstt configs to telegram or github
• adoption for android edge-to-edge aand 16KB device