Convert fork to standalone repository with release-please automation

[Copilot]

Removes fork references and establishes this as a standalone repository with automated release management via release-please.

Changes

• package.json: Updated repository and bugs URLs from Riglerr/react-native-hr to joshuabalduff/react-native-hr
• Release automation: Added .github/workflows/release-please.yml using googleapis/release-please-action@v4 with node release type
• CHANGELOG.md: Created initial changelog documenting version 1.1.3 and feature history
• README.md:
  • Added installation instructions for npm/yarn
  • Removed external fork references in screenshot link
  • Noted release-please automation in compatibility section

Release-Please Workflow

On merge to main, release-please will:

1. Monitor conventional commits
2. Create automated release PRs with version bumps and changelog updates
3. Tag and publish releases when the release PR is merged

Original prompt

can we remove the fork and make it a standalone iwth release-please?

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