update readme

README.md

@@ -1,10 +1,30 @@
 # adchpp-docker
 
-* https://git.eeqj.de/sneak/adchpp-docker
+* adch++ main url: https://adchpp.sourceforge.io/
+* dockerized repository: https://git.eeqj.de/sneak/adchpp-docker
+* docker image: https://hub.docker.com/r/sneak/adchpp 
+
+# Usage
+
+```
+docker run \
+    -p 2780:2780 \
+    -v /etc/adchpp:/config \
+    --name adchpp \
+    --restart unless-stopped \
+    sneak/adchpp@sha256:07a8fe2e1e719a712b075590a4c94d1d3c1a49dcb3da91b0a5c971c2c17bbbf7
+```
+
+# Repo Info
 
 `src` contains `adch++` v2.12.1 extracted from tarball from sourceforge,
-modified only to make build on modern hardware.  I tried getting it running
-on 20.04 but it doesn't work with modern `scons`, sadly.
+modified only to make it build on modern hardware.  I tried getting it running
+on 20.04 but its build file doesn't work with modern `scons`, sadly.
+
+# Docker Image Information
+
+* state/config volume: `/config`
+* logs to stdout like a good docker
 
 # License
 
@@ -12,5 +32,5 @@ GPL
 
 # Authors
 
-* `adch++` &copy 2006-2016 Jacek Sieka iarnetheduck@gmail.com
+* `adch++` © 2006-2016 Jacek Sieka iarnetheduck@gmail.com
 * packaging/dockerizing sneak sneak@sneak.berlin