docs: added slack integration guide (#12696)

* docs: added slack integration guide

* generate

www/apps/resources/generated/edit-dates.mjs

@@ -6544,5 +6544,6 @@ export const generatedEditDates = {
   "references/js_sdk/admin/DraftOrder/methods/js_sdk.admin.DraftOrder.delete/page.mdx": "2025-06-05T19:05:54.961Z",
   "references/utils/Payment/variables/utils.Payment.PaymentEvents/page.mdx": "2025-06-05T19:05:53.491Z",
   "references/utils/types/utils.NormalizedRow/page.mdx": "2025-06-05T19:05:53.365Z",
-  "references/utils/utils.Payment/page.mdx": "2025-06-05T19:05:53.489Z"
+  "references/utils/utils.Payment/page.mdx": "2025-06-05T19:05:53.489Z",
+  "app/integrations/guides/slack/page.mdx": "2025-06-03T09:37:42.528Z"
 }

www/apps/resources/generated/files-map.mjs

@@ -891,6 +891,10 @@ export const filesMap = [
     "filePath": "/www/apps/resources/app/integrations/guides/shipstation/page.mdx",
     "pathname": "/integrations/guides/shipstation"
   },
+  {
+    "filePath": "/www/apps/resources/app/integrations/guides/slack/page.mdx",
+    "pathname": "/integrations/guides/slack"
+  },
   {
     "filePath": "/www/apps/resources/app/integrations/page.mdx",
     "pathname": "/integrations"

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

@@ -426,6 +426,14 @@ const generatedgeneratedInfrastructureModulesSidebarSidebar = {
               "title": "Integrate Resend",
               "children": []
             },
+            {
+              "loaded": true,
+              "isPathHref": true,
+              "type": "ref",
+              "title": "Integrate Slack",
+              "path": "https://docs.medusajs.com/resources/integrations/guides/slack",
+              "children": []
+            },
             {
               "loaded": true,
               "isPathHref": true,

www/apps/resources/generated/generated-integrations-sidebar.mjs

@@ -179,6 +179,14 @@ const generatedgeneratedIntegrationsSidebarSidebar = {
           "title": "SendGrid",
           "children": []
         },
+        {
+          "loaded": true,
+          "isPathHref": true,
+          "type": "link",
+          "path": "/integrations/guides/slack",
+          "title": "Slack",
+          "children": []
+        },
         {
           "loaded": true,
           "isPathHref": true,