Forgot to stage this

cmake/CopyModAssets.cmake

@@ -0,0 +1,10 @@
+# Copies a mod asset directory for packaging, skipping dotfiles and dot-directories
+# (.gitkeep, .DS_Store, ...). Usage: cmake -DSRC=<dir> -DDST=<dir> -P CopyModAssets.cmake
+file(MAKE_DIRECTORY "${DST}")
+file(GLOB_RECURSE _files RELATIVE "${SRC}" "${SRC}/*")
+foreach (_file IN LISTS _files)
+    if (NOT _file MATCHES "(^|/)\\.")
+        get_filename_component(_dir "${_file}" DIRECTORY)
+        file(COPY "${SRC}/${_file}" DESTINATION "${DST}/${_dir}")
+    endif ()
+endforeach ()