Update .gitignore

Author: Tadelsucht

.gitignore

@@ -24,6 +24,8 @@ bld/
 
 # Visual Studio 2015 cache/options directory
 .vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
 
 # MSTest test Results
 [Tt]est[Rr]esult*/
@@ -204,3 +206,11 @@ FakesAssemblies/
 
 # Visual Studio 6 workspace options file
 *.opt
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions