docs(readme): add charon credits

perryrh0dan · perryrh0dan · commit 83950e5b3f69 · 2020-05-12T21:38:03.000+02:00
diff --git a/readme.md b/readme.md
@@ -623,3 +623,5 @@ snapcraft push --release=stable taskline_1.3.4_multi.snap
 ## License
 
 [MIT](https://github.com/perryrh0dan/taskline/blob/master/license.md)
+
+This repository was generated by [charon](https://github.com/perryrh0dan/charon)
