rb_info plugin and button,action+context name helper

rb_info is just a test plugin

just some info from the running rockbox install

the real star here is the generator scripts to make actions_helper.c and button_helper.c

Change-Id: I23f7bbdae3f2cffca2490c4df40bb13b0b5d5064

apps/plugins/lib/action_helper.h

@@ -0,0 +1,34 @@
+/***************************************************************************
+*             __________               __   ___.
+*   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+*   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+*   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+*   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+*                     \/            \/     \/    \/            \/
+* $Id$
+*
+* Copyright (C) 2021 William Wilgus
+*
+*
+* 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 the Free Software Foundation; either version 2
+* of the License, or (at your option) any later version.
+*
+* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+* KIND, either express or implied.
+*
+****************************************************************************/
+/* action_helper provides a way to turn numeric action/context into strings
+* the file action_helper.c is generated at compile time
+* ACTION_ and CONTEXT_ are stripped from the strings and replaced when
+* action_name and context_name are called,
+* NOTE: both share the same static buffer sized as the largest string possible
+*/
+#ifndef _ACTION_HELPER_H_
+#define _ACTION_HELPER_H_
+
+char* action_name(int action);
+char* context_name(int context);
+
+#endif /* _ACTION_HELPER_H_ */