Custom Local Vault Pack Creation

I am bringing this topic back up from older posts because those were made in 2015. Is it now possible to create your own local asset pack for the vault? If so how are they created or could someone provide someplace for me to read up on it? I would just find it very pleasing to have an option of being able to use easily add my own (insert type here) assets to a project without the fuss of opening different instances just to get the same thing.