Add .gitignore am: a9f15d589c

Original change: https://android-review.googlesource.com/c/platform/build/orchestrator/+/2180597

Change-Id: I83390e0f7367760ae9d3a90bc4fe1d1539b1ec71
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/core/.gitignore b/core/.gitignore
new file mode 100644
index 0000000..e85f01d
--- /dev/null
+++ b/core/.gitignore
@@ -0,0 +1,3 @@
+*.iml
+*.pyc
+*.swp
\ No newline at end of file