Update Description.php

Getter for `tags`.

src/DocBlock/Description.php

@@ -70,6 +70,16 @@ class Description
         $this->tags = $tags;
     }
     
+    /**
+     * Returns the tags for this DocBlock.
+     *
+     * @return Tag[]
+     */
+    public function getTags()
+    {
+        return $this->tags;
+    }
+
     /**
      * Renders this description as a string where the provided formatter will format the tags in the expected string
      * format.