Add macOS Apple Silicon support, fix ci, fix types and add node export conditions

[remorses]

I am currently using this fork as package @xmorse/rfd and it works great, thank you for starting this project!

[Copilot]

Pull Request Overview

This PR updates the package metadata, enhances the GitHub Actions CI pipeline, and improves package distribution configuration. The changes include updating the package name and version, adding build support for additional architectures, and improving TypeScript type definitions export.

• Package renamed from @bindrs/rfd to @xmorse/rfd with version bump to 2.2.5
• Added Apple Silicon (aarch64-apple-darwin) build target and updated GitHub Actions to v4
• Enhanced exports configuration with proper TypeScript type definitions for all runtime environments

Reviewed Changes

Copilot reviewed 3 out of 4 changed files in this pull request and generated 2 comments.

File	Description
package.json	Updates package metadata, adds TypeScript types, and enhances exports configuration
README.md	Adds documentation for known focus limitations with file dialogs
.github/workflows/publish-npm.yml	Updates CI pipeline with new build targets and GitHub Actions v4

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