docs(meta): add readme

README.md

@@ -0,0 +1,19 @@
+# Dockerized Dedicated Urban Terror Server
+
+A Docker image solely for running a dedicated [Urban Terror](https://urbanterror.info) server.
+
+
+## Usage
+
+```console
+$ docker run --rm -it \
+    -p 27960:27960/udp \
+    -v ./server.cfg:/tmp/server.cfg:ro \
+    urban-terror-server +exec /tmp/server.cfg
+```
+    
+
+
+## Notice
+
+Created based on the now seemingly unmaintained but very nice work of [asnapper](https://github.com/asnapper) on GitHub: [asnapper/urbanterror-server](https://github.com/asnapper/urbanterror-server).