v1.1.0 - Code Quality & Documentation Update

🚀 What's New

Documentation

• Comprehensive XML documentation for KalmanFilter and PidController classes
• Added algorithm explanations, tuning guidelines, and code examples

Code Quality

• Fixed all nullable reference type warnings (CS8632)
• Modern .NET 10 code patterns:
  • Memory<byte> overloads for Stream operations
  • System.Threading.Lock for thread synchronization
  • Collection expressions []
  • Object initializer syntax

New Features

• IGRF.Globe3D project for 3D satellite visualization with HelixToolkit
• Improved MVVM architecture with proper interface abstractions

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🐛 Bug Fixes

• ViewLocator nullability matching IDataTemplate interface
• Stream ReadAsync/WriteAsync using modern Memory<byte> APIs
• Naming convention fixes (WriteTimeout, ReadTimeout)
• MVVMTK0034 backing field references fixed

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📊 Build Status

Project	Warnings	Errors
IGRF.Core	0 ✅	0
IGRF.Avalonia	3 (platform-specific)	0
IGRF.Globe3D	0 ✅	0

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📝 Files Changed

• 95 files modified
• +84,551 lines / -7,370 lines