Update code and readme

README.md

@@ -1,2 +1,41 @@
 # django-queued-mailer
+
 Django mail backend uses celery as email message queue
+
+### requirements
+
+Django >= 1.11, Celery >= 4.1.1
+
+### setup
+
+- add `git+https://github.com/jar3b/django-queued-mailer.git` to requirements.txt
+- install package `pip install --upgrade git+https://github.com/jar3b/django-queued-mailer.git`
+- run celery worker
+
+```
+celery -A project worker
+```
+
+### run one task at time (optional)
+
+- setup Celery routes
+
+```
+app.conf.task_queues = (
+    Queue('default', Exchange('default'), routing_key='default'),
+    Queue('qmailer_mail_queue', routing_key='qmailer.send.#'),
+)
+```
+
+- start separate worker
+
+```
+celery -A project worker -Q qmailer_mail_queue --concurrency=1
+```
+
+### configure
+
+Django settings:
+
+- `QMAILER_EMAIL_BACKEND` - set email backend, default `django.core.mail.backends.smtp.EmailBackend`
+- `QMAILER_TASK_QUEUE_NAME` - queue name for routing, default `default`, if you use separate "serial" worker as described above, you need to specify this option