[feature]add search function

[osaguild]

description

• This is the pr for using algolia doc search.
• To use the doc search, you need to get the key for algolia. vinzvinci and aggre apply and set the keys on vercel.
• This pr allows search by changing config.

[vercel]

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Name	Status	Preview	Updated
docs-devprotocol-xyz	✅ Ready (Inspect)	Visit Preview	Jul 22, 2022 at 0:45AM (UTC)

[osaguild]

• hmm, docsearch does not work. this may be the same issue.
• I know the cause of Github actions. it is because the environment variables are not set to GitHub secret.
• GitHub actions only do lint and format, it is not related to docsearch issue.

[osaguild]

I tested using dummy key. result is below.

• appId: error is occurred. message: "Invalid Application-ID or API key"
• apiKey: error is occurred. message: "Invalid Application-ID or API key"
• indexName: error is occued. message: "Index test does not exist"

In my case error is not occurred so keys are correct.I think this is the index problem. maybe need to recreate new one like this

[vinzvinci]

Hey let me put on-hold on this first.