Here's what I could gather about putting together the feature:
For those who might not know, Booru is a popular open-source image booru (board) software used for creating image galleries, often used by fans of anime, manga, and other visual media. All The Fallen Booru
Would you like more information on this project or help with contributing? Here's what I could gather about putting together
You're referring to the popular fan-made project "All the Fallen Booru"! often used by fans of anime
"All the Fallen Booru" appears to be a collaboration project where multiple people contribute to developing a unified feature-rich platform.