Generate video output on pynq-z2 HDMI out with my overlay

Hello!

information
board : pynq-z2
version : v2.5
vivado version:2019.1

What I want to do is read the video from webcam and process the data in PL, and then output hdmi.
My design is setup as below:

I have found the example that using the base overlay. I want to know how can I add the required IP to my overlay to achieve the HDMI output using pynq-z2.