create core package

core/build.gradle

@@ -0,0 +1 @@
+mainClassName = 'com.muwire.core.Core'

core/src/main/java/com/muwire/core/Core.java

@@ -0,0 +1,7 @@
+package com.muwire.core;
+
+public class Core {
+    public static void main(String[] args) {
+        System.out.println("This doesn't do anything yet");
+    }
+}

settings.gradle

@@ -1,2 +1,3 @@
 include 'pinger'
 include 'host-cache'
+include 'core'