Add gitignore
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a4a6389
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,6 @@
+# Linux
+*~
+
+# Mac
+.DS_Store
+*.xcuserstate
\ No newline at end of file