Use active icon in mushroom

v1.31.0: Update mushroom styles, sections layout, and card editor

v1.30.2: Fix more mushroom styles

v1.30.1: Mushroom fixes, entity-less card

Add Tesla integration doc

Upgrade dependencies

v1.29: allow combined entity + attribute, mushroom adds, bug fixes

Oops I committed the mushroom cards source

v1.28.1: I was kidding about v1.29 :)

v1.28: mushroom, readme, and hide_name + updating bugfixes