Hi Yi Xiang, thanks for your comment :) Setting it up can be a bit of a hassle, I found it difficult at first too. What really helped me a lot is this video: https://www.youtube.com/watch?v=FYOOucjdnkY
Setting the whole thing up on a website for example is unknown territory for me. I make the animations, export it with Bodymovin and hand it over to the developers.