Create a colophon

writing:

• Bear (note-taking application)
• Zed (editor)
• Scrivener
• languages
  • D★Mark
  • TomatenMark
  • Markdown (pulldown-cmark)

building:

• Ruby (programming language)
• Nanoc
• erb
• katex
• system fonts

deploying:

• Uberspace
• Git