How can I add a link to the folder on my server to my Suite CRM page

First, try to solve the problem of your browser, look online, for example:

https://support.mozilla.org/en-US/questions/963224

It’s likely you will find suggestions to install some add-on. Once you can get your user’s browsers to open such links, from any simple web page you make just for a test, then you can worry about making SuiteCRM display the link.

One possibility would be this, but it really depends on which screen element you want to contain the link: