Persist save data for ship of harkinian and 2ship2harkinian.

nix/configuration/roles/2ship2harkinian/default.nix

@@ -26,6 +26,22 @@
         environment.systemPackages = with pkgs; [
           _2ship2harkinian
         ];
+
+        # TODO perhaps install ~/.local/share/2ship/2ship2harkinian.json
+
+        environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                directory = ".local/share/2ship";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+            ];
+          };
+        };
       })
     ]
   );