add flatpak and flathub

demilich/services.nix

@@ -9,6 +9,13 @@
       };
     };
     services = {
+      flatpak-repo = {
+        wantedBy = [ "multi-user.target" ];
+        path = [ pkgs.flatpak ];
+        script = ''
+          flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
+        '';
+      };
       tailscaled = {
         serviceConfig = {
           Environment = [