more readme

README.md

@@ -13,3 +13,23 @@ Push image:
 ```
 docker push registry.code.fbi.h-da.de/danet/ztpserver-docker
 ```
+
+## Start
+
+Simply use docker-compose for it.
+
+```
+docker-compose up -d
+```
+
+```
+docker-compose down
+```
+
+## Config
+
+Docs: https://ztpserver.readthedocs.io/en/master/overview.html
+
+The config in the ztpserver directory is the global config. The server has to be restarted to pick a config change up.
+
+The config in the ztp-root describes the config of the server for provisioning.