feat: Reorganize settings page with tabbed interface (v0.1.1)

- Add tabbed navigation (License, Metrics, Help)
- Move Prometheus configuration to dedicated Help tab
- Separate static and runtime metrics with descriptions
- Add admin CSS for tab styling
- Add endpoint info, curl examples, and metrics reference in Help tab

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

CHANGELOG.md

@@ -5,6 +5,20 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.1.1] - 2026-02-02
+
+### Changed
+
+- Reorganized settings page with tabbed interface (License, Metrics, Help tabs)
+- Moved Prometheus configuration help to dedicated Help tab
+- Separated static and runtime metrics in settings with descriptions
+- Added admin CSS for improved tab styling
+
+### Added
+
+- New Help tab with endpoint information, curl examples, and metrics reference table
+- Custom code examples section in Help tab
+
 ## [0.1.0] - 2026-02-02
 
 ### Added