renderer, system and file interfaces for rmlui with with small extensions.
- render interface
- support all null-render renderers
- file interface
- ability to load files from resources
- formatting paths for up to regular files
- system interface
- wnd_proc and small helper functions
- elements
- colorpicker
- multiselect
null-rmlui-lua - original RmlSolLua lua bindings.\
- compile RmlCore/RmlDebugger/RmlSvg in third-party\RmlUi folder, all libraries will be connected immediately