chore(release): 1.0.0-alpha.5

[anilcancakir]

Summary

Release prep for 1.0.0-alpha.5.

• Version bump in pubspec.yaml, CLAUDE.md, installation docs
• Changelog finalized with flex-1 + justify-between: Flexible wrapping breaks space distribution in Row #45 bug fixes and chore: add GitHub Copilot configuration #46 improvements

Changelog

🐛 Bug Fixes

• Flex Space Distribution: flex-1 + justify-between layout fix (flex-1 + justify-between: Flexible wrapping breaks space distribution in Row #45)
• shrink-0 Semantics: preserves intrinsic size correctly (flex-1 + justify-between: Flexible wrapping breaks space distribution in Row #45)

🔧 Improvements

• GitHub Copilot Config: added Copilot instructions (chore: add GitHub Copilot configuration #46)

Test plan

• 924/924 tests pass
• dart analyze — zero issues
• dart format — clean
• dart pub publish --dry-run — no warnings (except expected uncommitted files)

[Copilot]

Pull request overview

Release preparation for 1.0.0-alpha.5, updating package metadata and documentation so the published version and release notes align with the alpha.5 release.

Changes:

• Bump package version to 1.0.0-alpha.5 in pubspec.yaml.
• Update installation docs and CLAUDE.md to reference 1.0.0-alpha.5.
• Finalize CHANGELOG.md with the 1.0.0-alpha.5 release entry (dated 2026-03-31) including #45 fixes and #46 improvements.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
pubspec.yaml	Version bumped to 1.0.0-alpha.5 for the package release.
doc/getting-started/installation.md	Installation snippet updated to use ^1.0.0-alpha.5.
CLAUDE.md	Version header updated to 1.0.0-alpha.5.
CHANGELOG.md	Adds the 1.0.0-alpha.5 section with summarized fixes/improvements and release date.

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