CVM Development Sprint

[i-am-sijia]

This PR contains the draft, in-progress commercial vehicle model infrastructure and implementation.

Component Checklist

• [x] household attractor
• [x] establishment attractor
• [x] accessibility
• [x] route generation
• [x] route purpose, vehicle type, customer type
• [ ] route origination type
• [ ] route origination location
• [ ] route terminal type
• [ ] route terminal location
• [x] route start time choice
• [ ] stop generation
• [x] loop init
• [x] next stop purpose
• [ ] next stop location
• [x] next stop dwell time
• [ ] loop finalization