feat(SupportedApps): added Medusa Application to Foundation Apps

Closes #64

app/SupportedApps/Medusa.php

@@ -0,0 +1,12 @@
+<?php namespace App\SupportedApps;
+
+class Medusa implements Contracts\Applications {
+    public function defaultColour()
+    {
+        return '#4b5e55';
+    }
+    public function icon()
+    {
+        return 'supportedapps/medusa.png';
+    }
+}