Add lifetime cargo goal for specific type of cargo

Combination of #1 and #2.

Create an objective/goal for delivering a specific type of cargo over the entire course of the game.

Start by reading issues #1 and #2, since this request is explicitly their combination. Define what a lifetime goal for delivering one cargo type must track across the game, and consider the work complete when that objective can be created and checked for the specified cargo over the entire game.

Written by the indexing model from the issue text.