upload pdf file in frontend

Hi Guys,
Could you help me with this customization?
I want to upload a pdf and doc file in front-end website,but this theme just let to upload a video, audio and image files.
I get to upload any file in admin panel, but I don’t get to upload in front-end.
Could you help me to customize this theme?
[ redundant link removed ]
You will need to register and login to try it.
Click on “submit content” button in home page in the right side to test it.
The website is just a demo.
Thanks in advance for support,
Dunga

• This topic was modified 5 years ago by dunga.
• This topic was modified 5 years ago by Jan Dembowski. Reason: Moved to Fixing WordPress, this is not an Everything else WordPress topic

The page I need help with: [log in to see the link]