Copyright notice added.

app.c

@@ -1,3 +1,6 @@
+/* Copyright (C) 2022-2023 Salvatore Sanfilippo -- All Rights Reserved
+ * See the LICENSE file for information about the license. */
+
 #include <furi.h>
 #include <furi_hal.h>
 #include <lib/flipper_format/flipper_format.h>

app.h

@@ -1,3 +1,6 @@
+/* Copyright (C) 2022-2023 Salvatore Sanfilippo -- All Rights Reserved
+ * See the LICENSE file for information about the license. */
+
 #pragma once
 
 #include <gui/gui.h>

app_buffer.c

@@ -1,3 +1,6 @@
+/* Copyright (C) 2022-2023 Salvatore Sanfilippo -- All Rights Reserved
+ * See the LICENSE file for information about the license. */
+
 #include <inttypes.h>
 #include <furi/core/string.h>
 #include <furi.h>

app_buffer.h

@@ -1,3 +1,6 @@
+/* Copyright (C) 2022-2023 Salvatore Sanfilippo -- All Rights Reserved
+ * See the LICENSE file for information about the license. */
+
 /* Our circular buffer of raw samples, used in order to display
  * the signal. */
 

app_subghz.c

@@ -1,3 +1,6 @@
+/* Copyright (C) 2022-2023 Salvatore Sanfilippo -- All Rights Reserved
+ * See the LICENSE file for information about the license. */
+
 #include "app.h"
 
 #include <flipper_format/flipper_format_i.h>

proto.c

@@ -1,3 +1,6 @@
+/* Copyright (C) 2022-2023 Salvatore Sanfilippo -- All Rights Reserved
+ * See the LICENSE file for information about the license. */
+
 #include <inttypes.h>
 #include <lib/flipper_format/flipper_format_i.h>
 #include <furi/core/string.h>