chore:  Add .vs to .gitignore for Visual Studio
diff --git a/.gitignore b/.gitignore
index d6916f5..3794794 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,6 +12,7 @@
 *.pyc
 
 # Visual Studio files
+.vs
 *.sdf
 *.opensdf
 *.VC.opendb