Yes, you can create custom pages with a page plugin. Please check the documentation. Q2A even ships with an example of such a plugin (example-page in your plugin directory).
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.