Initial commit: .NET practice project

Added CSharp, Nots, and Wpf directories with various practice exercises and projects.

🤖 Generated with [Claude Code](https://claude.ai/code)

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

Wpf/Prism1/ModuleA/ModuleA.csproj.user

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup />
+  <ItemGroup>
+    <Compile Update="Views\ViewA.xaml.cs">
+      <SubType>Code</SubType>
+    </Compile>
+  </ItemGroup>
+  <ItemGroup>
+    <Page Update="Views\ViewA.xaml">
+      <SubType>Designer</SubType>
+    </Page>
+  </ItemGroup>
+</Project>