🎉 Add DevonThink

[haakonstorm]

🪩 Provide a link to the proposed addition

https://www.devontechnologies.com/apps/devonthink

😳 Explain why it should be added

DevonThink has been around for many years. It is very mature, fully featured, and has features that is not available in any other software packager on macOS. I was surprised it wasn't on the list already.
Thanks for a great Awesome-list!

📖 Additional context

🧨 Issue Checklist

• I have checked for other similar issues
• I have explained why this change is important
• I have added necessary documentation (if appropriate)