updating intro reference

Author: jhadobe

src/openapi/admin-schema-2.4.8.yaml

@@ -9,7 +9,7 @@ info:
   version: 2.4.8
   title: Commerce Admin REST endpoints - All inclusive
   description:
-    "$ref": "../_includes/redocly-intro.md"
+    $ref: https://raw.githubusercontent.com/AdobeDocs/commerce-webapi/main/src/_includes/redocly-intro.md
 host: example.com
 basePath: "/rest/default"
 schemes:

src/openapi/customer-schema-2.4.8.yaml

@@ -9,7 +9,7 @@ info:
   version: 2.4.8
   title: Commerce Customer REST endpoints - All inclusive
   description:
-    "$ref": "../_includes/redocly-intro.md"
+    $ref: https://raw.githubusercontent.com/AdobeDocs/commerce-webapi/main/src/_includes/redocly-intro.md
 host: example.com
 basePath: "/rest/default"
 schemes:

src/openapi/guest-schema-2.4.8.yaml

@@ -9,7 +9,7 @@ info:
   version: 2.4.8
   title: Commerce Guest REST endpoints - All inclusive
   description:
-    "$ref": "../_includes/redocly-intro.md"
+    $ref: https://raw.githubusercontent.com/AdobeDocs/commerce-webapi/main/src/_includes/redocly-intro.md
 host: example.com
 basePath: "/rest/default"
 schemes: