Add .vs directory to the .gitignore (Visual Studio 2017 produces this)

joelverhagen · joelverhagen · commit fe73a07cb5c1 · 2017-09-22T08:55:37.000-07:00
diff --git a/.gitignore b/.gitignore
@@ -214,3 +214,4 @@ tools
 .nuget/NuGet.exe
 .nuget/ThirdPartyNotices.txt
 Results.*.xml
+.vs
