Pull layout data from .csv file and generate corresponding agents.
Variables
layout_files: [ "/factory-layout.csv" .... ]
layout_keys: { "C": "crane", "B": "box", .... }
layout_templates: { "crane": { ... }, "box": { ... } .... }
(Optional) layout_offsets: { "/factory-layout.csv": [10, 0, 0] }