Changes:

• You can now add an item that fills the empty spots in the inventory by creating an item called filler.
• Fixed some deprecation warnings with BetonQuest 2.1.3.
• Fixed NPE when trying to get non-existing user from database.
• Created custom PlayerArgument that allows wrapping the username in quotes and supports bedrock usernames.
• Added experimental support for RoseStacker.
• Fixed weird bug when mobcoin chance had a double value.
• Added the option to use the plugin as Economy provider in Vault in new hooks.yml file.
• Made a few optimizations.
• Bumped a few dependencies.