Added jpg for Supported filetypes

the docx files were showing "this file is corrupted and cannot be
opened" message when I tried to open after adding an image with .jpg
extension
Revert "Added jpg for Supported filetypes"

This reverts commit ff618c1bed8f1566efd68f44b9dcbdc78f70a9a7.
Revert "Revert "Added jpg for Supported filetypes""

This reverts commit 1eb18e6c5a3a5a0c1a1175f5e18e2a5b6a30067f.
Akotliar