diff --git a/.DS_Store b/.DS_Store
index 61a2a39..0086a4a 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e43b0f9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.DS_Store
diff --git a/sb/.DS_Store b/sb/.DS_Store
index 4b93201..cbb3c56 100644
Binary files a/sb/.DS_Store and b/sb/.DS_Store differ