Move player inventory into new voxel-carry plugin

https://github.com/deathcap/voxel-carry

Finally eliminates the 'playerInventory' variable mandatory option for
six separate plugins:

Requires:
deathcap/voxel-chest@574ba4ade1122ec089c379d13984bfff2ff64db5
deathcap/voxel-workbench@ebeccd63c25a3c7ce71d77d6edf75903428e4bf8
deathcap/voxel-inventory-hotbar@d100023cbe903a3c35fd43824b02186ee00e0fd5
deathcap/voxel-inventory-dialog@e81dc4e824eadf9353cd9da18a38aedcc74a498d
deathcap/voxel-harvest@09c9f91b4e9464939248fcb789e39ca6ff4c9e97