* feat(config): upgrade schematic

* docs: add info about discord

* docs: add alt to img tag

* fix(frontend): make field readonly

* feat(backend): make lot of metadata list optional

* feat(config): param to remove media from monitoring collection

* feat(backend): add dummy function

* refactor(backend): use inbuilt method to join

* feat(backend): complete function

* build(backend): bump version

* build(backend): bump schematic version

* build(backend): bump version

* feat(backend): new general media filter

* chore(backend): remove only old metadata