sesh: add module (#5789)

Sesh is a CLI that helps you create and manage tmux sessions quickly and easily
using zoxide. See https://github.com/joshmedeski/sesh for more.

modules/lib/maintainers.nix

@@ -732,4 +732,10 @@
     github = "Noodlez1232";
     githubId = 12480453;
   };
+  michaelvanstraten = {
+    name = "Michael van Straten";
+    email = "michael@vanstraten.de";
+    github = "michaelvanstraten";
+    githubId = 50352631;
+  };
 }