fix(slidev/cli): #2230 indexHtml meta

[daguanren21]

fix #2230

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@slidev/client

npm i https://pkg.pr.new/slidevjs/slidev/@slidev/client@2232

create-slidev

npm i https://pkg.pr.new/slidevjs/slidev/create-slidev@2232

create-slidev-theme

npm i https://pkg.pr.new/slidevjs/slidev/create-slidev-theme@2232

@slidev/parser

npm i https://pkg.pr.new/slidevjs/slidev/@slidev/parser@2232

@slidev/cli

npm i https://pkg.pr.new/slidevjs/slidev/@slidev/cli@2232

@slidev/types

npm i https://pkg.pr.new/slidevjs/slidev/@slidev/types@2232

commit: 6f0d933