Added instruction

README.md

@@ -1,2 +1,27 @@
 # headless-jd2-docker
 Headless JDownloader 2 Docker Container
+
+## Running the container
+0. `sudo su`
+1. Create a folder on your host for the configuration files (eg. sudo mkdir /config/jd2)
+2. run `docker run -d --name jd2 -v /config/jd2:/opt/JDownloader/cfg -v /home/user/Downloads:/root/Downloads jdownloader`
+3. stop the container `docker stop jd2`
+4. On your host, edit the file `org.jdownloader.api.myjdownloader.MyJDownloaderSettings.json`
+
+`{
+  "uniquedeviceidsaltv2" : "i don't know whats supposed to be in here",
+  "autoconnectenabledv2" : true,
+  "debugenabled" : false,
+  "lastupnpport" : 0,
+  "lastlocalport" : 58103,
+  "connectip" : "api.jdownloader.org",
+  "latesterror" : "NONE",
+  "manuallocalport" : 3129,
+  "password" : "mypasswort",
+  "clientconnectport" : 80,
+  "directconnectmode" : "LAN",
+  "devicename" : "JDownloader@docker",
+  "manualremoteport" : 3129,
+  "uniquedeviceidv2" : "same as above",
+  "email" : "email@home.org"
+}`