Add buck resources to .gitignore

Change-Id: Id30389f9f11e9579726ea1405ad18da9e4d6ed3d

.gitignore

diff --git a/.gitignore b/.gitignore
index a8b1b96..660ffeb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,6 @@
 .project
 .settings
 target
+/.buckd
+/buck-cache
+/buck-out