Portable Chests v1.6.1

• Dropped support for versions before 1.21.4
• Added support for v1.21.4
• Added full Bundles support (details in the description)
• Added config: allow-bundles
• Added config: bundle-cannot-place-message
• Added penalty on mount
• Plugin disabled on startup if config file version is outdated
• Fixed: penalty now applies even while holding the container on cursor
• Various bug fixes and performance improvements