ExpressLRS V1.0.0 RC8 Release

As always, arming must be on AUX1 for safety and performance

Another week, another RC. Thanks to everyone who gave feedback and reported issues, changes as follows:

• Equal interrupt priorities for STM32 targets to prevent lockup on preemption, "R9MM RX lockup fix"
• Support RTTTL style MY_STARTUP_MELODY definitions
• Prevent possiblity of resending old channels packets from TX if handset stops sending them
• Hardware designs moved to ExpressLRS/ExpressLRS-Hardware repository
• Extend default AUTO_WIFI_ON_INTERVAL from 20 to 30s to allow more time to connect
• Prevent underflow in HYBRID_SWITCHES_8 in a condition that affects no one
• Add HappyModel_TX_ES915TX_via_WIFI for users who have added their own wifi backpack
• Add NamimnoRC bootloaders for Flash and Voyager
• Cleanup BFinitPassthrough.py and normalize line endings
• README updates
• Lock FM30 targets to current ststm32 core
• Add button support to TTGO V1 targets (not used)