added credits for Meghan

HISTORY.md

@@ -66,6 +66,7 @@
 ### 2022-08-03
 * gui: added credits for Bambi
 * gui: added credits for Glen & team
+* gui: added credits for Meghan
 
 ### 2022-08-02
 * cloud: update

src/gui.js

@@ -4871,7 +4871,13 @@ IDE_Morph.prototype.aboutSnap = function () {
         + '\nLucas Karahadian: Piano Keyboard Design'
         + '\nDavide Della Casa: Morphic Optimizations'
         + '\nAchal Dave: Web Audio'
-        + '\nJoe Otto: Morphic Testing and Debugging';
+        + '\nJoe Otto: Morphic Testing and Debugging'
+        + '\n\n'
+        + 'Jahrd, Derec, and Jamet costumes are watercolor paintings'
+        + '\nby Meghan Taylor and represent characters from her'
+        + '\nwebcomic Prophecy of the Circle, licensed to us only'
+        + '\nfor use in Snap! projects. Meghan also painted the Tad'
+        + '\ncostumes, but that character is in the public domain.';
 
     for (module in modules) {
         if (Object.prototype.hasOwnProperty.call(modules, module)) {