Mod naming rule and engine UI in engine mods

Mods are renamed by role (shell2d_base, menu_base, ui_base, live2d_base,
editor_tools, cthangover_story, cthangover_murakami, cthangover_party) and
every reference follows. Engine UI prefabs (dialog, answers, message, game
menu, inventory, map, skills) and their panel entries moved out of the story
mod into the subsystem mods; the card_novel and vn_starter_novel collections
are removed.

locale/ui_en.properties

@@ -1,5 +1,5 @@
-mod_tools_name = Tools
-mod_tools_desc = Developer toolbox: scenario graph editor, map editor with zones, scene builder with inspector, interactive and light editors, and the mod catalog export window.
+mod_editor_tools_name = Editor Tools
+mod_editor_tools_desc = Developer toolbox: scenario graph editor, map editor with zones, scene builder with inspector, interactive and light editors, and the mod catalog export window.
 
 tools/common/save = Save
 tools/common/save_tip = Save the file (Ctrl+S)

locale/ui_ru.properties

@@ -1,5 +1,5 @@
-mod_tools_name = Инструменты
-mod_tools_desc = Инструменты разработчика: редактор сценариев (граф), редактор карты с зонами, конструктор сцен с инспектором, редакторы интерактива и света, экспорт каталога модов.
+mod_editor_tools_name = Редакторы
+mod_editor_tools_desc = Инструменты разработчика: редактор сценариев (граф), редактор карты с зонами, конструктор сцен с инспектором, редакторы интерактива и света, экспорт каталога модов.
 
 tools/common/save = Сохранить
 tools/common/save_tip = Сохранить файл (Ctrl+S)