feat: add support for icon/description of services

modules/containers-terraform-authentik.nix

@@ -33,6 +33,8 @@ in
           name = containerName;
           slug = containerName;
           protocol_provider = "\${resource.authentik_provider_proxy.${containerName}.id}";
+          meta_description = def.description;
+          meta_icon = def.icon;
         }
       ) cfg
     )

modules/containers.nix

@@ -169,6 +169,16 @@ in
             description = "Should be accessed through the auth middleware";
             default = true;
           };
+          description = mkOption {
+            type = nullOr str;
+            description = "Possible description for the service";
+            default = null;
+          };
+          icon = mkOption {
+            type = nullOr str;
+            description = "URL for a logo for the service";
+            default = null;
+          };
           otherDomains = mkOption {
             type = listOf (submodule {
               options = {