📝 feat: zoom switch, drag node demo

[ModestFun]

No description provided.

[github-actions]

🎊 PR Preview 62e0ed0 has been successfully built and deployed to https://ant-design-pro-flow-preview-pr-42.surge.sh

🕐 Build time: 64.351s

_{🤖 By surge-preview}

[codecov-commenter]

Codecov Report

Attention: 146 lines in your changes are missing coverage. Please review.

Comparison is base (51783fc) 2.37% compared to head (62e0ed0) 2.34%.
Report is 1 commits behind head on master.

Files	Patch %	Lines
src/FlowDrawer/index.tsx	0.00%	78 Missing ⚠️
docs/guide/demos/flowEditor/dragAddNode.tsx	0.00%	21 Missing ⚠️
src/FlowEditor/hooks/useFlowEditor.ts	0.00%	12 Missing ⚠️
docs/guide/demos/flowEditor/sidebar.tsx	0.00%	10 Missing ⚠️
docs/guide/demos/flowViewIntro/autoFlow.tsx	0.00%	7 Missing ⚠️
src/FlowEditor/demos/index.tsx	0.00%	6 Missing ⚠️
src/FlowView/styles.tsx	0.00%	6 Missing ⚠️
src/FlowView/helper.tsx	0.00%	2 Missing ⚠️
src/index.ts	0.00%	2 Missing ⚠️
docs/guide/demos/customEdge/data.ts	0.00%	1 Missing ⚠️
... and 1 more

Additional details and impacted files

@@            Coverage Diff            @@
##           master     #42      +/-   ##
=========================================
- Coverage    2.37%   2.34%   -0.03%     
=========================================
  Files         126     127       +1     
  Lines        8129    8225      +96     
  Branches      155     156       +1     
=========================================
  Hits          193     193              
- Misses       7936    8032      +96     

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