fixed flathub remote url, added automatic flatpak update schedule

home/flatpak.nix

@@ -3,7 +3,7 @@
     remotes = [
       {
         name = "flathub";
-        location = "https://dl.flathub.org/repo/flathub..flatpakrepo";
+        location = "https://dl.flathub.org/repo/flathub.flatpakrepo";
       }
     ];
 
@@ -18,5 +18,12 @@
       "org.prismlauncher.PrismLauncher"
       "sh.cider.Cider"
     ];
+
+    update = {
+      auto = {
+        enable = true;
+        onCalendar = "weekly";
+      };
+    };
   };
 }