Redesign/unify mainmenu settings interface

builtin/mainmenu/settings/init.lua

@@ -0,0 +1,28 @@
+--Minetest
+--Copyright (C) 2022 rubenwardy
+--
+--This program is free software; you can redistribute it and/or modify
+--it under the terms of the GNU Lesser General Public License as published by
+--the Free Software Foundation; either version 2.1 of the License, or
+--(at your option) any later version.
+--
+--This program is distributed in the hope that it will be useful,
+--but WITHOUT ANY WARRANTY; without even the implied warranty of
+--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+--GNU Lesser General Public License for more details.
+--
+--You should have received a copy of the GNU Lesser General Public License along
+--with this program; if not, write to the Free Software Foundation, Inc.,
+--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+local path = core.get_mainmenu_path() .. DIR_DELIM .. "settings"
+
+dofile(path .. DIR_DELIM .. "settingtypes.lua")
+dofile(path .. DIR_DELIM .. "dlg_change_mapgen_flags.lua")
+dofile(path .. DIR_DELIM .. "dlg_settings.lua")
+
+-- Uncomment to generate 'minetest.conf.example' and 'settings_translation_file.cpp'.
+-- For RUN_IN_PLACE the generated files may appear in the 'bin' folder.
+-- See comment and alternative line at the end of 'generate_from_settingtypes.lua'.
+
+--assert(loadfile(path .. DIR_DELIM .. "generate_from_settingtypes.lua"))(parse_config_file(true, false))