Add zeroing estimator class.

Change-Id: I355db861a289a4f0f24eb2ca3e84a4e21270bfce
diff --git a/frc971/zeroing/zeroing_queue.q b/frc971/zeroing/zeroing_queue.q
new file mode 100644
index 0000000..e218173
--- /dev/null
+++ b/frc971/zeroing/zeroing_queue.q
@@ -0,0 +1,14 @@
+package frc971.zeroing;
+
+struct ZeroingInfo {
+	double pot;
+	double encoder;
+	double index_encoder;
+	int32_t index_count;
+};
+
+message TestMessage {
+	int32_t test_int;
+};
+
+queue TestMessage test_queue;