initial commit

Signed-off-by: Hagen Paul Pfeifer <hagen@jauu.net>
Merge branch 'master' of github.com:hgn/ipproof-ng

* 'master' of github.com:hgn/ipproof-ng:
  Initial commit
doc: build instruction linux

Signed-off-by: Hagen Paul Pfeifer <hagen@jauu.net>