feat: support movable

[linxianxi]

关闭后，能直接拖到桌面上得到一份文件。 ant-design/ant-design#43753

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
image	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jul 25, 2023 8:53am

[codecov]

Codecov Report

Merging #271 (3ad8889) into master (771790a) will increase coverage by 0.01%.
The diff coverage is 100.00%.

❗ Current head 3ad8889 differs from pull request most recent head ba37bf6. Consider uploading reports for the commit ba37bf6 to get more accurate results

@@            Coverage Diff             @@
##           master     #271      +/-   ##
==========================================
+ Coverage   97.84%   97.86%   +0.01%     
==========================================
  Files          13       13              
  Lines         372      374       +2     
  Branches      104      106       +2     
==========================================
+ Hits          364      366       +2     
  Misses          7        7              
  Partials        1        1              

Files Changed	Coverage Δ
src/Image.tsx	100.00% <ø> (ø)
src/PreviewGroup.tsx	100.00% <ø> (ø)
src/Preview.tsx	100.00% <100.00%> (ø)

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