Some new props, scanned bays and more merge fields

New Stuff
- Better prop snapping for targets
- When loading stages with a start-position object, player will be teleported and rotated properly to match
- Added Sponsor Name to WSB and STG file
- Four plate bobber
- Marysville Scanned Bay 01
- STC Vertus Scanned Bay 10
- Added new merge fields for HTML Export

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- Added USPSA Red 4 page & PCSL HTML templates
- StageCentral calls shift to APIs