feat: add title for tag in multiple mode (#636)

[nekocode]

fix #636

[vercel]

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[nekocode]

顺便提一下，tests/Multiple.test.tsx 里非相关的代码改动是 git pre-commit hook 触发 prettier 导致的。

[nekocode]

@afc163 @xrkffgg 能帮忙 Review 一下么？谢谢

[codecov]

Codecov Report

Merging #637 (62b7d1c) into master (318de43) will increase coverage by 0.00%.
The diff coverage is 100.00%.

❗ Current head 62b7d1c differs from pull request most recent head e90a901. Consider uploading reports for the commit e90a901 to get more accurate results

@@           Coverage Diff           @@
##           master     #637   +/-   ##
=======================================
  Coverage   99.18%   99.18%           
=======================================
  Files          20       20           
  Lines         977      980    +3     
  Branches      324      317    -7     
=======================================
+ Hits          969      972    +3     
  Misses          7        7           
  Partials        1        1           

Impacted Files	Coverage Δ
src/Selector/MultipleSelector.tsx	100.00% <100.00%> (ø)

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[xrkffgg]

multiple 模式也可以加上

[nekocode]

multiple 模式也可以加上

@xrkffgg 目前改的就是 multiple 和 tags 模式下的。single 模式我看以前已经加上了。

[xrkffgg]

我看现在的 multiple demo 上没有

[nekocode]

我看现在的 multiple demo 上没有

那是因为 demo 里的传的 content 是 [string, number] 数组，而不是单纯的 string | number

[nekocode]

demo 上输出的 content @xrkffgg

[nekocode]

这里我考虑过要不要处理 node 数组的情况，但是我看 single selector 里没处理这种情况，所以为了统一我也没处理了。