add jfchevrette to maintainers

maintainers/maintainer-list.nix

@@ -5590,6 +5590,16 @@
     githubId = 143075;
     name = "James Felix Black";
   };
+  jfchevrette = {
+    email = "jfchevrette@gmail.com";
+    github = "jfchevrette";
+    githubId = 3001;
+    name = "Jean-Francois Chevrette";
+    keys = [{
+      longkeyid = "rsa4096/0x67A0585801290DC6";
+      fingerprint = "B612 96A9 498E EECD D5E9  C0F0 67A0 5858 0129 0DC6";
+    }];
+  };
   jflanglois = {
     email = "yourstruly@julienlanglois.me";
     github = "jflanglois";