Added setMiddleware deprecated method in Route class.

src/Pecee/SimpleRouter/Route/Route.php

@@ -484,6 +484,20 @@ abstract class Route implements IRoute
         return $this;
     }
 
+    /**
+     * Add middleware class-name
+     *
+     * @deprecated This method is deprecated and will be removed in the near future.
+     * @param IMiddleware|string $middleware
+     * @return static
+     */
+    public function setMiddleware($middleware)
+    {
+        $this->middlewares[] = $middleware;
+
+        return $this;
+    }
+
     /**
      * Add middleware class-name
      *