Add examples to SDL.sln (#11255)

VisualC/examples/renderer/05-rectangles/05-rectangles.vcxproj

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{4C0E3A60-24F8-4D4C-81C0-C1777F5E7B17}</ProjectGuid>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ItemGroup>
+    <None Include="$(SolutionDir)\..\examples\renderer\05-rectangles\README.txt" />
+    <ClCompile Include="$(SolutionDir)\..\examples\renderer\05-rectangles\*.c" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+</Project>