docs: add documentation for Locking Module (#11824)

* add locking docs

* fix main navbar

* added implementation example links

* generate refs

* update architecture

* fix vale error

www/apps/resources/generated/generated-how-to-tutorials-sidebar.mjs

@@ -78,6 +78,14 @@ const generatedgeneratedHowToTutorialsSidebarSidebar = {
               "path": "https://docs.medusajs.com/resources/references/fulfillment/provider",
               "children": []
             },
+            {
+              "loaded": true,
+              "isPathHref": true,
+              "type": "ref",
+              "title": "Create Locking Provider",
+              "path": "https://docs.medusajs.com/resources/references/locking-module-provider",
+              "children": []
+            },
             {
               "loaded": true,
               "isPathHref": true,
@@ -133,6 +141,14 @@ const generatedgeneratedHowToTutorialsSidebarSidebar = {
               "title": "Send Notification",
               "path": "https://docs.medusajs.com/resources/architectural-modules/notification/send-notification",
               "children": []
+            },
+            {
+              "loaded": true,
+              "isPathHref": true,
+              "type": "ref",
+              "title": "Use Locking Module",
+              "path": "https://docs.medusajs.com/resources/references/locking-service",
+              "children": []
             }
           ]
         },