restructuring for project (Backlog 3)

Java/ProjectModels/CognitiveModel/XPCdependencies/DiscoveryConnectionCallback.java

@@ -0,0 +1,14 @@
+package ProjectModels.CognitiveModel.XPCdependencies;
+
+import ProjectModels.CognitiveModel.*;
+
+public interface DiscoveryConnectionCallback {
+
+    /**
+     * Helper callback called when a 1st XPlanePlugin is discovered. When the 1st packet is received, an XPlaneConnect
+     * instance is created and the discovery is stopped.
+     *
+     * @param xpc The XPlaneConnect instance configured with the discovered
+     */
+    void onConnectionEstablished(XPlaneConnect xpc);
+}