misc: add debian packaging

debian/changelog

+django-panik-newsletter (0-0) stable; urgency=low
+
+  * Initial version.
+
+ -- Frederic Peters <fred@radiopanik.org>  Thu, 28 May 2020 17:30:03 +0200

debian/compat

+10

debian/control

+Source: django-panik-newsletter
+Section: python
+Priority: optional
+Maintainer: Frederic Peters <fred@radiopanik.org>
+Build-Depends: debhelper (>= 10),
+               python3-all,
+               python3-django
+               python3-setuptools,
+               dh-python
+Standards-Version: 3.9.1
+
+Package: python3-django-panik-newsletter
+Architecture: all
+Depends: ${python3:Depends}
+Description: Panik newsletter (Python 3)
+ django-panik-newsletter holds models/views/etc. for newsletters.
+ .
+ This is the Python 3 version of the package.

debian/rules

+#!/usr/bin/make -f
+
+export PYBUILD_NAME=newsletter
+export PYBUILD_DISABLE=test
+
+%:
+	dh $@ --with python3 --buildsystem=pybuild