Add ignore

diff --git a/.gitignore b/.gitignore
index 40a8ab3..2717331 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 *.luaproj
-*.sln
\ No newline at end of file
+*.sln
+*.suo
\ No newline at end of file