Isomorphic keyboard, automatic color schemas

• New: Render a hexagonal isomorphic keyboard
  • Press Alt+Y to toggle through compatible keyboard layouts
  • Press Alt+K to toggle through different keyboard types
• New: Find automatic color schemas for compatible keyboard layouts
• New: Full browser support via WASM and WebGL or WebGPU
• Improvement: Support Mavila[9] and Porcupine[8] temperaments
• Change: Rewrite / flatten the profile structure