Add mozc double sided version.

Change-Id: I3c50b5c3435c3c01c79bfc14c5d605701a423356
Co-authored-by: Takashi Toyoshima <toyoshim@google.com>
Co-authored-by: Shun Ikejima <ikejima@google.com>
Reviewed-by: Eliot Courtney <edcourtney@google.com>

mozc-doublesided/firmware/Core/Src/mozc.c

@@ -0,0 +1,15 @@
+// Copyright 2024 Google Inc.
+// Use of this source code is governed by an Apache License that can be found in
+// the LICENSE file.
+
+#include "mozc.h"
+
+#include <stdbool.h>
+#include <stdio.h>
+
+#include "i2c.h"
+#include "main.h"
+
+void mozc_init(void) { i2c_init(); }
+
+void mozc_loop(void) { i2c_maybe_listen(); }