feat: Memberships canceln/extenden/expiren

ajax/memberships/getList.php

ajax/memberships/users/getArchiveList.php

ajax/memberships/users/getList.php

bin/classes/MembershipUsers.js

bin/controls/Membership.Settings.html

bin/controls/Membership.js

bin/controls/MembershipsManager.js

bin/controls/users/MembershipUsers.js

bin/controls/users/MembershipUsersArchive.css

bin/controls/users/MembershipUsersArchive.html

bin/controls/users/MembershipUsersArchive.js

bin/membership.php

cron.xml

database.xml

locale.xml

settings.xml

src/QUI/Memberships/Cron.php

src/QUI/Memberships/Handler.php

src/QUI/Memberships/Membership.php

src/QUI/Memberships/Users/Handler.php