add deck and money repo to nextcloud

modules/nextcloud.nix

@@ -13,9 +13,14 @@
     };
     extraApps = {
       inherit (pkgs.nextcloud29Packages.apps) 
-	cookbook
-	notes
-	;
+	cookbook notes deck;
+
+        money = pkgs.fetchNextcloudApp {
+            #get the hash via: $ nix-prefetch-url --unpack <app zip url>
+            sha256 = "13lwpq75ihz9lfq383bi86lqvzcir8aqqhf56zs7fsayqh32l2r4";
+            url = "https://github.com/powerpaul17/nc_money/releases/download/v0.26.6/money.tar.gz";
+            license = "agpl3";
+        };
     };
     extraAppsEnable = true;
     https = true;