feat: add custom request function APIC-126

[millotp]

Jira ticket: APIC-126

Adds the customRequest function to the search client for all environment, to allows clients to use features that are not yet implemented.

I didn't find a way to automatically generate the algoliasearch/src/builds/*.ts files, I'm not sure if there is one.

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[Haroenv]

There's no automatic way ,it was still on the todo to infer those types (there should be a way, by calling addMethods at the right moment) but I didn't yet get the time to look into it.

[Haroenv]

Are you sure the method should be called customRequest and not simply request? is this already shipped in other clients?

[millotp]

It's done in Python and for Android, and it's called custom_request. This is part of the DI sprint

[Haroenv]

Makes sense. In theory js could still be an outlier, as it usually favours shorter method names, but I'll leave it up to you

[Haroenv]

you'll need to update the bundlesize in package.json based on the response in ci still by the way

[bodinsamuel]

Are you sure the method should be called customRequest and not simply request? is this already shipped in other clients?

I would also favor request as it more discoverable, but if it was already done let's stay consistant and it can conflict in some language as Request is a very basic keyword