UI/UX Improvement

[thiscaspar]

• Improve controls (panning, zooming/pinching)
• Zoom from the center
• Mobile Ready
  • Responsive
  • Controls (color bar)
• URL Querystring drives viewport x/y/zoom

Out of scope / Wishlisted (explore if time/opportunity):
- EOA Wallet
- Modulo "Wraparound"
- Sharing the user's Active Cursor (p2p!?)
- Managing sync of pixels in sector-chunks on the client