Creating new barebones plugin imgcache.

Eventually this will download and cache external images. Starting work on #27.

www/plugins/jasonwilliams/imgcache/Plugin.php

@@ -0,0 +1,32 @@
+<?php namespace JasonWilliams\ImgCache;
+
+/**
+ * The plugin.php file (called the plugin initialization script) defines the plugin information class.
+ */
+
+use System\Classes\PluginBase;
+
+class Plugin extends PluginBase
+{
+
+    public function pluginDetails()
+    {
+        return [
+            'name'        => 'Image Cache',
+            'description' => 'Saves external images locally and presents them via a twig filter.',
+            'author'      => 'Jason Williams',
+            'icon'        => 'oc-icon-cloud'
+        ];
+    }
+
+    public function registerMarkupTags()
+    {
+        return [
+            'filters' => [
+                'imgcache' => function($imgurl) {
+                    return $imgurl;
+                }
+            ]
+        ];
+    }
+}