rework the ancient readme
treeb0ad8a62afeb17e1fbcc1d9df759270c75a1ab54
-rw-r--r-- 4 .gitignore
-rw-r--r-- 2847 Makefile
drwxr-xr-x - doc
drwxr-xr-x - etc
drwxr-xr-x - src
drwxr-xr-x - tools