feat(gustave): use upstream readeck

machines/gustave/default.nix

@@ -18,6 +18,7 @@
     ./nextcloud.nix
     ./glance.nix
     ./syncthing.nix
+    "${inputs.unstable}/nixos/modules/services/web-apps/readeck.nix"
   ];
 
   machine.meta = {

machines/gustave/readeck.nix

@@ -1,4 +1,7 @@
-{ config, ... }:
+{ config, inputs, ... }:
+let
+  inherit (import inputs.unstable { }) readeck;
+in
 {
 
   age.secrets."readeck-config".file = ../../secrets/readeck-config.age;
@@ -13,6 +16,7 @@
 
   services.readeck = {
     enable = true;
-    configPath = config.age.secrets."readeck-config".path;
+    package = readeck;
+    environmentFile = config.age.secrets."readeck-config".path;
   };
 }