fixed bugs in serializers

finished fucking CRUD

updated some shit

test

updated deploy-frontend.yml

added music player(but the music isnt playing :D)

updated merch views(added pagination)

added a11y and print media classes

finished lab 12, added full CRUD(/admin/releases/...)

added description to release serializers

removed abs url

updated music serializers

updated fill command

added staticfiles to docker-compose again

added staticfiles to docker-compose

updated auth, fixed refresh tokens

changed db port

build: add docker configs for production

upd

build: fix deploy workflow and ignore backend