fix: add 'doc' and 'docx' to COMMON_MIME_TYPES

Author: mwakerman

src/file.ts

@@ -9,7 +9,9 @@ export const COMMON_MIME_TYPES = new Map([
     ['mp4', 'video/mp4'],
     ['pdf', 'application/pdf'],
     ['png', 'image/png'],
-    ['zip', 'application/zip']
+    ['zip', 'application/zip'],
+    ['doc', 'application/msword'],
+    ['docx', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document']
 ]);