Support annotations

Change-Id: I8592f5e89deb816cfe4d3b33ac03d8a0f94c76e8
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..08a55c0
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.gradle