add original SVG (Inkscape) of the illustration of libvalhalla, in DOCS/
add original SVG (Inkscape) of the illustration of libvalhalla, in DOCS/

GeeXboX/libvalhalla,GeeXboX/libvalhalla,GeeXboX/libvalhalla,GeeXboX/libvalhalla,GeeXboX/libvalhalla