WLED 0.15.0-b5 release - Audioreactive usermod always included

Merge branch 'main' into 0_15 

Build bump, changelog update 

WLED 0.14.4 

2D compile fix 

Build bump, changelog udate 

Changelog update and build bump. 

Update CONTRIBUTING.md Trying to explain why any PR should have a`description`

Distinguish 160MHz binaries 

0.14.2-b1