also add license in separate file
treeecb0228eb775469124c23d5661cf664956bb4e9a
-rw-r--r-- 1245 COPYING.txt
-rw-r--r-- 2380 Makefile
-rw-r--r-- 2614 README.md
drwxr-xr-x - res
drwxr-xr-x - src