nixos/odoo: add workers option to settings

nixos/modules/services/finance/odoo.nix

@@ -46,7 +46,24 @@ in
       };
 
       settings = lib.mkOption {
-        type = format.type;
+        type = lib.types.submodule {
+          options = {
+            options = {
+              workers = lib.mkOption {
+                type = lib.types.ints.unsigned;
+                default = 0;
+                description = "Values above 0 will enable the multi-processing HTTP server, this should be set for production setups. This needs to be set to >0 for real-time connections in the discuss app. For configuration recommendations see <https://www.odoo.com/documentation/19.0/administration/on_premise/deploy.html#builtin-server>";
+              };
+              proxy_mode = lib.mkOption {
+                type = lib.types.bool;
+                default = cfg.domain != null;
+                defaultText = "services.odoo.domain != null";
+                description = "Enables the use of X-Forwarded-* headers through Werkzeug’s proxy support. Must be enabled if reverse proxy is used.";
+              };
+            };
+          };
+          freeformType = format.type;
+        };
         default = { };
         description = ''
           Odoo configuration settings. For more details see <https://www.odoo.com/documentation/15.0/administration/install/deploy.html>
@@ -96,7 +113,7 @@ in
           '';
 
           locations = {
-            "/longpolling" = {
+            "/websocket" = {
               proxyPass = "http://odoochat";
             };
 
@@ -127,7 +144,6 @@ in
         );
         settings.options = {
           data_dir = "/var/lib/private/odoo/data";
-          proxy_mode = cfg.domain != null;
           # Disable the database manager by default
           # https://www.odoo.com/documentation/master/administration/on_premise/deploy.html#database-manager-security
           list_db = lib.mkDefault false;