feat: add parser support for MultiImage community posts (#298)

src/parser/classes/PostMultiImage.ts

@@ -0,0 +1,17 @@
+import Parser from '../index';
+import BackstageImage from './BackstageImage';
+
+import { YTNode } from '../helpers';
+
+class PostMultiImage extends YTNode {
+  static type = 'PostMultiImage';
+
+  images : BackstageImage[];
+
+  constructor(data: any) {
+    super();
+    this.images = Parser.parseArray(data.images, BackstageImage);
+  }
+}
+
+export default PostMultiImage;