Update VisualStudio.gitignore

Visual Studio 6.0 files

VisualStudio.gitignore

@@ -286,6 +286,17 @@ node_modules/
 # Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
 *.vbw
 
+# Visual Studio 6 auto-generated project file (contains which files were open etc.)
+*.wbp
+
+# Visual Studio 6 workspace and project file (working project files containing files to include in project)
+*.dsw
+*.dsp
+
+# Visual Studio 6 techical files (their purpose is unknown for me)
+*.ncb
+*.aps
+
 # Visual Studio LightSwitch build output
 **/*.HTMLClient/GeneratedArtifacts
 **/*.DesktopClient/GeneratedArtifacts