docs: add appId in vitepress config

[ydcjeff]

Description

• fix Algolia Search is broken in docs #9096

Additional context

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What is the purpose of this pull request?

• Bug fix
• New Feature
• Documentation update
• Other

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[bluwy]

Curious where you got the appId? 🤔

[ydcjeff]

I searched on v2 docs and docsearch makes POST request to https://bh4d9od16a-dsn.algolia.net/1/indexes/*/queries?x-algolia-agent=Algolia for JavaScript (4.8.5); Browser (lite); docsearch (3.0.0-alpha.42); docsearch-react (3.0.0-alpha.42); docsearch.js (3.0.0-alpha.42)&x-algolia-api-key=b573aa848fd57fb47d693b531297403c&x-algolia-application-id=BH4D9OD16A. I take it from x-algolia-application-id.

[patak-dev]

Thanks @ydcjeff! Published and confirmed it works 👍🏼

[ydcjeff]

@patak-dev Can you discuss with the admins who have access to algolia account?. Currently the search only shows migration from v1 when you search "migration". I think we need to update two separate apiKey for v2 and v3 docs.

[patak-dev]

Oh, interesting, @posva @kiaking do you know how this is handled in Vue for majors? Do we need to contact Algolia or is it something we can do on our side? I think we will need a new key for https://v2.vitejs.dev, ya.

[posva]

@patak-dev yes, you need two applications and indexes since algolia needs to crawl two different websites. I think you need to contact algolia to get another index