@xuan-hh, that's great to hear! Welcome to the Plone community!
If you are really interested in this project, or in working on Plone in general, you've taken exactly the right first step in speaking up. Perhaps you would take a look at the work that was done last year on this topic so you can gain some insight into what the goals were, and what remains to be completed. I believe that @frapell was the mentor for the project last year.
You'll also want to look at this post from last year's GSoC and check out the steps at the top to get started working with Plone. This is a large and long-lived code base, with a lot of corners. You'll want to start exploring as soon as possible so you have some familiarity with what Plone is, what it does, and how it works.
Again, welcome!