Add building & running info to README

README.markdown

@@ -4,8 +4,8 @@ planet-wars-haskell
 Unofficial Haskell starter package for
 [the google ai contest](http://ai-contest.com).
 
-Usage
------
+What
+----
 
 The [PlanetWars](http://github.com/jaspervdj/planet-wars-haskell/blob/master/PlanetWars.hs)
 module contains a small library to build your bot on. The
@@ -17,3 +17,24 @@ You should change the `MyBot` module to your liking. If you make any
 improvements to the `PlanetWars` module, I would appreciate if you have me pull
 your changes, so everyone can benefit from your improvements -- after all, we're
 trying to get the Haskell bots as high as possible in the ranking, right?
+
+Building
+--------
+
+You should be able to build your bot using:
+
+    ghc --make -O2 MyBot.hs
+
+The server uses the `-O2` flag as well. Now, you should have an executable
+called `MyBot`.
+
+Running
+-------
+
+Let's watch it fight against one of the java bots.
+
+    java -jar tools/PlayGame.jar maps/map7.txt 1000 1000 log.txt \
+        "./MyBot" "java -jar example_bots/RandomBot.jar" | \
+        java -jar tools/ShowGame.jar
+
+More information can be found [here](http://ai-contest.com/using_the_tools.php).