Add examples to SDL.sln (#11255)

VisualC/examples/game/01-snake/01-snake.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>{7820969A-5B7B-4046-BB0A-82905D457FC5}</ProjectGuid>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ItemGroup>
+    <None Include="$(SolutionDir)\..\examples\game\01-snake\README.txt" />
+    <ClCompile Include="$(SolutionDir)\..\examples\game\01-snake\*.c" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+</Project>