Initial version based on BLHeli_S revision 16.7.

• Telemetry encoding method credits to JazzMaverick.

Features

• Add bidirectional DShot e-period telemetry (b3b7467)

Performance Improvements

• Prescale DShot thresholds (c11769a)
• Prescale DShot thresholds (further) (5e55c7f)
• Reduce DShot decode code (b2a7afb)
• Reduce DShot decode code (further) (6a65bab)
• Reduce DShot invert code (ac6b456)