http://www.question2answer.org/addons.php
"To install a plugin (requires Q2A 1.3 or later), place its directory in Q2A's qa-plugin directory, then open the Plugins section of the Admin panel and check it is listed. The plugin may also offer some options on this page."
qa-plugin
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask here, in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.