bump copyright dates; add authors and credits;

AUTHORS.md

@@ -0,0 +1,11 @@
+# Digital Voice Modem Firmware (Hotspot)
+
+## Project Technical Leads
+- Bryan Biedenkapp (https://github.com/gatekeep)
+
+## Developers
+- Natalie Moore (https://github.com/jelimoore)
+
+## Special thanks to
+- Jonathan Naylor G4KLX (https://github.com/g4klx) and the MMDVM authors.
+- Andy Uribe CA6JAU (https://github.com/juribeparada)

p25/P25TX.cpp

@@ -13,7 +13,7 @@
 /*
 *   Copyright (C) 2016 by Jonathan Naylor G4KLX
 *   Copyright (C) 2016,2017 by Andy Uribe CA6JAU
-*   Copyright (C) 2021 by Bryan Biedenkapp N2PLL
+*   Copyright (C) 2021-2022 by Bryan Biedenkapp N2PLL
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by

p25/P25TX.h

@@ -13,7 +13,7 @@
 /*
 *   Copyright (C) 2016,2017 by Jonathan Naylor G4KLX
 *   Copyright (C) 2016,2017 by Andy Uribe CA6JAU
-*   Copyright (C) 2021 by Bryan Biedenkapp N2PLL
+*   Copyright (C) 2021-2022 by Bryan Biedenkapp N2PLL
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by