eth: split ux from rest of source

src/common_ui.h

@@ -0,0 +1,24 @@
+#ifndef _COMMON_UI_H_
+#define _COMMON_UI_H_
+
+#include <stdbool.h>
+
+void ui_idle(void);
+void ui_warning_contract_data(void);
+void ui_display_public_eth2(void);
+void ui_display_privacy_public_key(void);
+void ui_display_privacy_shared_secret(void);
+void ui_display_public_key(void);
+void ui_display_sign(void);
+void ui_sign_712_v0(void);
+void ui_display_stark_public(void);
+void ui_confirm_selector(void);
+void ui_confirm_parameter(void);
+void ui_stark_limit_order(void);
+void ui_stark_unsafe_sign(void);
+void ui_stark_transfer(bool selfTransfer, bool conditional);
+
+#include "ui_callbacks.h"
+#include <string.h>
+
+#endif  // _COMMON_UI_H_