docs: phone authentication + otp guide (#12544)

* initial

* docs: phone authentication guide

* small fix

* Twilio SMS -> Twilio

* vale fix

* fix

* fix to auth sidebar

* fixes

* generate

www/apps/resources/generated/generated-commerce-modules-sidebar.mjs

@@ -471,7 +471,7 @@ const generatedgeneratedCommerceModulesSidebarSidebar = {
           "isPathHref": true,
           "type": "category",
           "title": "Server Guides",
-          "autogenerate_tags": "server+auth",
+          "autogenerate_tags": "auth+server",
           "autogenerate_as_ref": true,
           "sort_sidebar": "alphabetize",
           "description": "Learn how to use the Auth Module in your customizations on the Medusa application server.",
@@ -499,6 +499,14 @@ const generatedgeneratedCommerceModulesSidebarSidebar = {
               "path": "/commerce-modules/auth/reset-password",
               "title": "Handle Password Reset Event",
               "children": []
+            },
+            {
+              "loaded": true,
+              "isPathHref": true,
+              "type": "ref",
+              "title": "Implement Phone Authentication",
+              "path": "https://docs.medusajs.com/resources/how-to-tutorials/tutorials/phone-auth",
+              "children": []
             }
           ]
         },
@@ -2436,6 +2444,14 @@ const generatedgeneratedCommerceModulesSidebarSidebar = {
               "title": "Implement Loyalty Points",
               "path": "https://docs.medusajs.com/resources/how-to-tutorials/tutorials/loyalty-points",
               "children": []
+            },
+            {
+              "loaded": true,
+              "isPathHref": true,
+              "type": "ref",
+              "title": "Implement Phone Authentication",
+              "path": "https://docs.medusajs.com/resources/how-to-tutorials/tutorials/phone-auth",
+              "children": []
             }
           ]
         },