Update README.md

Merge pull request #90 from openppg/7.4-Tweaks

Quality of life tweaks: Enhance motor temp handling in ESC, chill range

Merge pull request #74 from openppg/chill-tweaks

Tweak chill mode, more robust preference checking

Merge pull request #70 from openppg/v7-2

V7.2

Merge pull request #65 from openppg/v7-1

Enhanced Haptics, Refined Throttle/Cruise Control

Release v7.0

Merge pull request #64 from openppg/no-tone