Other useful resources
A few other posts on this forum contain Dorico projects that you might find useful to copy and adapt from:
• Swing indications using system-attached text
• Roman numerals for harmonic analysis
• Figured bass using Florian Kretlow’s Figurato font
• Printing blank manuscript paper from Dorico
Tutorials on other sites
• Scoring Notes: Working with master pages in Dorico, part 1
• Scoring Notes: Working with master pages in Dorico, part 2