docs: add REAS as a contributor for code, ideas, and 5 more

.all-contributorsrc

@@ -21,6 +21,19 @@
         "maintenance",
         "content",
         "talk"
+      ],
+      "login": "REAS",
+      "name": "Casey Reas",
+      "avatar_url": "https://avatars.githubusercontent.com/u/677774?v=4",
+      "profile": "http://reas.com",
+      "contributions": [
+        "code",
+        "ideas",
+        "infra",
+        "mentoring",
+        "content",
+        "talk",
+        "tutorial"
       ]
     }
   ],

README.md

@@ -74,6 +74,7 @@ Copyright (c) 2015-now The Processing Foundation
 <table>
   <tbody>
     <tr>
+      <td align="center" valign="top" width="16.66%"><a href="http://reas.com"><img src="https://avatars.githubusercontent.com/u/677774?v=4?s=120" width="120px;" alt="Casey Reas"/><br /><sub><b>Casey Reas</b></sub></a><br /><a href="https://github.com/processing/processing4-carbon-aug-19/commits?author=REAS" title="Code">💻</a> <a href="#ideas-REAS" title="Ideas, Planning, & Feedback">🤔</a> <a href="#infra-REAS" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="#mentoring-REAS" title="Mentoring">🧑‍🏫</a> <a href="#content-REAS" title="Content">🖋</a> <a href="#talk-REAS" title="Talks">📢</a> <a href="#tutorial-REAS" title="Tutorials">✅</a></td>
       <td align="center" valign="top" width="16.66%"><a href="https://fathom.info"><img src="https://avatars.githubusercontent.com/u/1623101?v=4?s=120" width="120px;" alt="Ben Fry"/><br /><sub><b>Ben Fry</b></sub></a><br /><a href="https://github.com/processing/processing4-carbon-aug-19/commits?author=benfry" title="Code">💻</a> <a href="#ideas-benfry" title="Ideas, Planning, & Feedback">🤔</a> <a href="#infra-benfry" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="#mentoring-benfry" title="Mentoring">🧑‍🏫</a> <a href="#maintenance-benfry" title="Maintenance">🚧</a> <a href="#content-benfry" title="Content">🖋</a> <a href="#talk-benfry" title="Talks">📢</a></td>
     </tr>
   </tbody>