populate Potter/Template namespace

composer.json

@@ -13,7 +13,7 @@
     ],
     "autoload": {
         "psr-4": {
-            "Potter\\": "src/Potter/"
+            "Potter\\Template\\": "src/Potter/Template/"
         }
     },
     "minimum-stability": "stable",

src/Potter/Template/TemplateInterface.php

@@ -0,0 +1,8 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Template;
+
+interface TemplateInterface 
+{ }

src/Potter/Template/TemplateTrait.php

@@ -0,0 +1,8 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Template;
+
+trait TemplateTrait 
+{ }