feat: Add localhost license bypass for development

- License check bypassed on localhost, 127.0.0.1, ::1
- Also bypassed for .local, .test, .localhost, .dev.local TLDs
- Bump version to 0.5.1

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

CHANGELOG.md

@@ -7,6 +7,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.5.1] - 2026-02-02
+
+### Added
+
+- **Localhost license bypass** - License check is automatically bypassed on local development environments
+  - Detects `localhost`, `127.0.0.1`, `::1`
+  - Detects common local TLDs: `.local`, `.test`, `.localhost`, `.dev.local`
+  - Allows full plugin functionality without license on development sites
+
 ## [0.5.0] - 2026-02-02
 
 ### Added