Added PDO shell plugin

plugins/com.noccy.pdo.shell/sparkplug.php

@@ -0,0 +1,14 @@
+<?php // "name":"Interactive PDO Shell", "author":"Noccy"
+
+namespace SparkPlug\Com\Noccy\Pdo\Shell;
+
+use SparkPlug;
+
+class PdoShellPlugin extends SparkPlug {
+    public function load()
+    {
+        register_command(new PdoShellCommand());
+    }
+}
+
+register_plugin("com.noccy.pdo.shell", new PdoShellPlugin);