fix: add support for webp when parse image (#58)

Author: jxpeng98

src/parser/internal.ts

@@ -73,6 +73,7 @@ function parseImage(image: md.Image, options: BlocksOptions): notion.Block {
     '.bmp',
     '.svg',
     '.heic',
+    '.webp',
   ];
 
   function dealWithError() {