Update 1.what-is-dashboard.md (#892)#896

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izhuxiaoqing merged 1 commit intovesoft-inc:v2.6.1from izhuxiaoqing:merge-71c631d

Nov 9, 2021

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Commits on Nov 9, 2021

Update 1.what-is-dashboard.md (vesoft-inc#892 )
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