Merge pull request #287567 from a-kenji/waypipe/setmain

waypipe: set `meta.mainProgram`

pkgs/applications/networking/remote/waypipe/default.nix

···
     license = licenses.mit;
     platforms = platforms.linux;
     maintainers = with maintainers; [ primeos ];
+    mainProgram = "waypipe";
   };
 }