update docs

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

README.md

@@ -26,6 +26,29 @@ make generate build
 ./bin/ocis -h
 ```
 
+## Quickstart
+After building the binary with the above steps run all services
+
+```console
+./bin/ocis server
+```
+
+You will need to start a redis server as a cache. The ownCloud storage driver currently will try to connect to the default port.
+
+To prepare the root storage you should fill it with two folders. They are necessary for resolving the home and ownCloud storages. This is subject to change.
+
+```console
+mkdir -p /var/tmp/reva/root/{home,oc}
+```
+
+Open [http://localhost:9100](http://localhost:9100) and login using one of the demo accounts:
+
+```console
+einstein:relativity
+marie:radioactivty
+richard:superfluidity
+```
+
 ## Security
 
 If you find a security issue please contact security@owncloud.com first.