You can create your own roadmap for your product and show your commitment to being customer-driven by showing what you're working on.
You can show your customers what you are working on currently, what will you work next and what are your goals for your future.
To create a roadmap you can simply create multiple pages according to month or year and group all the task which your team will be performing over that period.
Here is a sample -
There are 3 ways by which you can integrate it in your website -
Popup Widget - It will display a popup window at the bottom right corner of your website.