Lower-priority feature requests

[stucka]

• Allow custom font weights and perhaps fonts themselves, with reasonable defaults selected. Enable back into web form.
• Enable multiple levels of text, with multiple levels of styling, e.g., headline-subhead-credit.
• Enable text with different justifications (already available within text library)
• Figure out if there's a way to display a prototype back to the web interface
• Allow multiple layouts, including existing full-card image or a smaller image to the left/top/right/bottom
• Allow different vertical text placement
• Support secondary overlays, e.g., logos that go in the bottom-left corner

[stucka]

Font sizes enabled with 61e4a8c