chore: change manifest

Author: EduardoJM

MANIFEST.in

@@ -1,6 +1,8 @@
 include README.md
 include LICENSE
-recursive-exclude image_uploader_widget_demo *
+recursive-exclude mocks *
+recursive-exclude snapshots *
+recursive-exclude docs *
 recursive-exclude tests *
 recursive-exclude core *
 recursive-include image_uploader_widget *