Attogram Games v3.1.0 - build options, customization docs

Attogram Games v3.0.4 - ahl389/paint-run2

Attogram Games v3.0.3 - fix index links

add iamkun/tower_game

yarn replaces npm

Attogram Games v2.1.2 - attogram/2048-lite

Attogram Games v2.1.1 - clumsy-bird, mah-jongg

Attogram Games v2.1.0 - build options, add html5-hearts, Life

Attogram Games v2.0.2 - refactor config load

Attogram Games Website v2.0.0 - new build support