Added CREDIT file

CREDIT

@@ -0,0 +1,14 @@
+This file is a partial list of people who have contributed to the Post.e
+project. If you have contributed a patch or made some other contribution to
+Post.e, please submit a patch to this file to add yourself, and it will be
+done!
+
+The list is sorted by surname and formatted to allow easy grepping and
+beautification by scripts.  The fields are: name (N), email (E), web-address
+(W), PGP key ID and fingerprint (P), description (D), snail-mail address
+(S), and (I) IRC handle.
+
+N: Scott Grivner
+E: [email protected]
+W: https://www.scottgrivner.dev
+D: Original Creator and Developer of Post.e