Add support for 3D/CAD file formats preview (#34794)

Fix #34775 

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

web_src/js/render/plugin.ts

@@ -0,0 +1,10 @@
+export type FileRenderPlugin = {
+  // unique plugin name
+  name: string;
+
+  // test if plugin can handle a specified file
+  canHandle: (filename: string, mimeType: string) => boolean;
+
+  // render file content
+  render: (container: HTMLElement, fileUrl: string, options?: any) => Promise<void>;
+}