message: chore(examples): edge label
diff: @@ -18,7 +18,7 @@ const initialElements = [
  { id: '6', type: 'output', data: { label: 'Output 6' }, position: { x: 50, y: 550 } },
  { id: '7', type: 'output', data: { label: 'Output 7' }, position: { x: 250, y: 550 } },
  { id: '8', type: 'output', data: { label: 'Output 8' }, position: { x: 525, y: 600 } },
  - { id: 'e1-2', source: '1', target: '2', label: 'bezier edge' },
  + { id: 'e1-2', source: '1', target: '2', label: 'bezier edge (default)' },
  { id: 'e2-3', source: '2', target: '3', type: 'step', label: 'step edge' },
  { id: 'e3-4', source: '3', target: '4', type: 'straight', label: 'straight edge' },
  { id: 'e3-3a', source: '3', target: '3a', type: 'straight', label: 'label only edge', style: { stroke: 'none' } },
  