faces/totp: update copyright and license data

Update the copyrights to include full name attribution
to all who contributed to this watch face, including myself.

Also add an SPDX license identifier header comment to the files.

https://spdx.org/licenses/MIT.html

movement/watch_faces/complication/totp_face.c

@@ -1,7 +1,15 @@
+/* SPDX-License-Identifier: MIT */
+
 /*
  * MIT License
  *
- * Copyright (c) 2022 Wesley Ellis (https://github.com/tahnok)
+ * Copyright © 2022 Wesley Ellis (https://github.com/tahnok)
+ * Copyright © 2021-2023 Joey Castillo <joeycastillo@utexas.edu>
+ * Copyright © 2022 Jack Bond-Preston <jackbondpreston@outlook.com>
+ * Copyright © 2023 Emilien Court <emilien.court@telecomnancy.net>
+ * Copyright © 2023 Jeremy O'Brien <neutral@fastmail.com>
+ * Copyright © 2023 Alex Utter <ooterness@gmail.com>
+ * Copyright © 2023 Matheus Afonso Martins Moreira <matheus.a.m.moreira@gmail.com> (https://www.matheusmoreira.com/)
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal

movement/watch_faces/complication/totp_face.h

@@ -1,7 +1,15 @@
+/* SPDX-License-Identifier: MIT */
+
 /*
  * MIT License
  *
- * Copyright (c) 2022 Wesley Ellis (https://github.com/tahnok)
+ * Copyright © 2022 Wesley Ellis (https://github.com/tahnok)
+ * Copyright © 2021-2023 Joey Castillo <joeycastillo@utexas.edu>
+ * Copyright © 2022 Jack Bond-Preston <jackbondpreston@outlook.com>
+ * Copyright © 2023 Emilien Court <emilien.court@telecomnancy.net>
+ * Copyright © 2023 Jeremy O'Brien <neutral@fastmail.com>
+ * Copyright © 2023 Alex Utter <ooterness@gmail.com>
+ * Copyright © 2023 Matheus Afonso Martins Moreira <matheus.a.m.moreira@gmail.com> (https://www.matheusmoreira.com/)
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal