Tapspace v2.0.0-alpha.4 feature demos

• components-basis
• components-edges
• components-element
• components-pixel
• components-stress-test
• effects-press
• geometry-3d-cards
• geometry-animate
• geometry-background
• geometry-matching-points
• geometry-matching-sizes
• geometry-uniform-scaling
• interaction-approach
• interaction-content
• interaction-drag
• interaction-hold
• interaction-rotate
• interaction-slide
• interaction-tap
• loaders-fractal
• viewport-controls
• viewport-focus
• viewport-navigation-3d
• viewport-pannable
• viewport-perspective
• viewport-responsive
• viewport-rotatable
• viewport-zoomable