Webapp taskers

[phentos]

Landing

• Add sketch selection #7
• Add social media preview #8

animationStudio.js

• animationStudio.js: Add actor selection
• animationStudio.js: Add actor dragging
• animationStudio.js: Respect pauses
• animationStudio.js: Add gif export
• animationStudio.js: Add ui/tooltip(s) #11
• animationStudio.js: UX is a bit wonky wrt frame jumps & clearing #12
• animationStudio.js: Refactor path handling to class #9

platformerTemplate.js

• platformerTemplate.js: Implement obstacle collision system #13
• platformerTemplate.js: refactor collision detection / physics in support of student exploration #17