Update license, contact, donate for many projects.

CONTACT.md

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+Contact
+=======
+
+Please do not open pull requests without talking to me first. For serious issues and bugs, open a GitHub issue. If you just have a question, please send an email to `contact@voussoir.net`.
+
+If you want to chat in real time, I am `voussoir` on [freenode](https://webchat.freenode.net/) and `voussoir#7582` on Discord. Please email me first so we can coordinate.
+
+I also mirror my work to other git services:
+
+- https://github.com/voussoir
+
+- https://gitlab.com/voussoir
+
+- https://codeberg.org/voussoir

DONATE.md

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+Donate
+======
+
+Thank you for your interest in my work. If my software has been helpful to you, I would enjoy hearing about it in an email. If you'd like to make a small donation, click one of these finely crafted artisanal links:
+
+https://www.paypal.com/donate?business=AFXM36ZYB6S5A
+
+https://buymeacoffee.com/voussoir

LICENSE.txt

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 BSD 3-Clause License
 
-Copyright (c) 2020, Ethan Dalool
+Copyright (c) 2021, Ethan Dalool aka voussoir
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without