Set composer for Bolt 3.x

Merge branch '3.x'

Update bolt/bolt requirement to ^3.3 and use asset factory calls

Update bolt/bolt requirement to ^4.0

Merge branch '3.x'

Move screenshots into subdirectory

Make Clippy as little less active by default.

Better path handling

Case change

Update changelog.md

Move config.yml.dist

Clean up

Update changelog.md

Fire an animation event on at a configurable frequency

Escape message strings