Added vs code to git ignore

.gitignore

@@ -21,6 +21,8 @@ bld/
 ![Cc]ore/[Ll]og/
 # Visual Studio 2015 cache/options directory
 .vs/
+# Visual Studio Code options directory
+.vscode/
 # Uncomment if you have tasks that create the project's static files in wwwroot
 #wwwroot/
 demo