textbook design

[mnelson4]

• [ ] add folder for design
• [ ] only include with business
• [ ] gracefully when it doesn't exist
• [ ] have 3 layers: parts/chapters/subsections (or chapters/subsections; or chapters)
• [ ] parts say "part x line title". Image on lefthand, title and text on right.
• [ ] chapters say "chapter x line title" then text
• [ ] subsections are title in different color, underlined,
• [ ] option for two column layout or not; or maybe put text on inside and images smaller on right (unless they're wide or full width, in which case they get the full width)
• [ ] only register for business
• [ ] only show preview for business; or add another watermark or something