diff --git a/.gitignore b/.gitignore
index 9154f4c..89a5911 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,3 +24,8 @@
 hs_err_pid*
 replay_pid*
 
+.DS_Store
+.idea
+.vscode
+target
+
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file