Persist icons and play stats.

nix/configuration/roles/rpcs3/default.nix

@@ -130,6 +130,22 @@ in
                 group = "talexander";
                 mode = "0755";
               }
+              {
+                # Game icons.
+                directory = ".config/rpcs3/Icons";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+            ];
+            files = [
+              {
+                # play times and recently played
+                file = ".config/rpcs3/GuiConfigs/persistent_settings.dat";
+                parentDirectory = {
+                  mode = "0755";
+                };
+              }
             ];
           };
         };