maintainers: add pinkcreeper100

maintainers/maintainer-list.nix

···
       fingerprint = "A3A3 65AE 16ED A7A0 C29C  88F1 9712 452E 8BE3 372E";
     }];
   };
+  pinkcreeper100 = {
+    email = "[e-mail]";
+    github = "pinkcreeper100";
+    githubId = 35699052;
+    name = "Oliver Samuel Morris";
+  };
   pinpox = {
     email = "[e-mail]";
     github = "pinpox";