fix(module): correct ESM for Node usage

[Haroenv]

Summary

resolve extensions and implement package.json#exports

Result

importing should now work as real ESM!

progress:

• extensions added
• initial exports key added (not sure if it's correct, CI implies it isn't, astro example implies it is)

[codesandbox-ci[bot]]

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Sandbox	Source
@algolia/autocomplete-example-github-repositories-custom-plugin	Configuration
@algolia/autocomplete-example-instantsearch	Configuration
@algolia/autocomplete-example-playground	Configuration
@algolia/autocomplete-example-preview-panel-in-modal	Configuration
@algolia/autocomplete-example-react-renderer	Configuration
@algolia/autocomplete-example-starter-algolia	Configuration
@algolia/autocomplete-example-starter	Configuration
@algolia/autocomplete-example-reshape	Configuration
@algolia/autocomplete-example-vue	Configuration

[garethweaver]

Are we able to get this moved forwards?

[Haroenv]

Have you confirmed this works for you? You can continue temporary patch this or use patch-package if so, or you can investigate as well and see if a more minimal version does pass our build tests