Add wren.hpp.
Add wren.hpp.

munificent/wren,Nelarius/wren,munificent/wren,minirop/wren,minirop/wren,foresterre/wren,Nelarius/wren,foresterre/wren,Nelarius/wren,minirop/wren,foresterre/wren,munificent/wren,foresterre/wren,munificent/wren,munificent/wren,Nelarius/wren,munificent/wren,minirop/wren,Nelarius/wren,minirop/wren,foresterre/wren