Added cafkafk to maintainer-list.nix

maintainers/maintainer-list.nix

···
       fingerprint = "4384 B8E1 299F C028 1641  7B8F EC30 EFBE FA7E 84A4";
     }];
   };
+  cafkafk = {
+    email = "[e-mail]";
+    matrix = "@cafkafk:matrix.cafkafk.com";
+    name = "Christina Sørensen";
+    github = "cafkafk";
+    githubId = 89321978;
+    keys [{
+      fingerprint = "7B9E E848 D074 AE03 7A0C  651A 8ED4 DEF7 375A 30C8";
+    }];
+  };
 }