WIP: implements backend, frontend UX, and basic UI for community library#1706

GoldenLin9 wants to merge 4 commits into

ucfopen:dev/11.1.0ucfopen/Materia:dev/11.1.0from

GoldenLin9:feature/community-library-prGoldenLin9/Materia:feature/community-library-prCopy head branch name to clipboard