Add actual badge classes to bundle

src/Interface/BadgeableInterface.php

@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Pcm\BadgeBundle\Interface;
+
+use Pcm\BadgeBundle\Enum\Badge;
+
+/**
+ * Enables this class to be rendered as a badge using the Badge and BadgeOutline Twig components.
+ */
+interface BadgeableInterface
+{
+    public function getBadgeColour(): Badge;
+}
+