add readme

Author: xnrand

README.md

@@ -0,0 +1,24 @@
+SimpleIRCBridge
+===============
+
+Building
+--------
+
+```
+./gradlew build
+```
+
+The output will be located at `build/libs/SimpleIRCBridge-VERSION.jar`.
+
+Developing
+----------
+
+Setup for IDEs is covered in the [Forge documentation](https://mcforge.readthedocs.io/en/latest/gettingstarted/#from-zero-to-modding).
+
+The mod can easily be tested using `./gradlew runServer`. A `run` directory will be created, holding server files.
+
+
+Usage
+-----
+
+Drop the jar file in your `mods` directory, start the server once, edit `config/simpleircbridge.cfg` and restart the server.