Update docs metadata

docs-ref-services/preview/core-readme.md

@@ -1,14 +1,14 @@
 ---
 title: Azure Core shared library for Java
-keywords: Azure, java, SDK, API, azure-core, corecore
+keywords: Azure, java, SDK, API, azure-core, core
 author: maggiepint
 ms.author: magpint
-ms.date: 10/12/2021
+ms.date: 10/14/2021
 ms.topic: reference
 ms.prod: azure
 ms.technology: azure
 ms.devlang: java
-ms.service: corecore
+ms.service: core
 ---
 
 # Azure Core shared library for Java - Version 1.22.0-beta.1 

metadata/preview/azure-core.json

@@ -0,0 +1,14 @@
+{
+  "Name": "azure-core",
+  "Version": "1.22.0-beta.1",
+  "DevVersion": null,
+  "DirectoryPath": "sdk/core/azure-core",
+  "ServiceDirectory": "core",
+  "ReadMePath": "sdk/core/azure-core/README.md",
+  "ChangeLogPath": "sdk/core/azure-core/CHANGELOG.md",
+  "Group": "com.azure",
+  "SdkType": "client",
+  "IsNewSdk": true,
+  "ArtifactName": "azure-core",
+  "ReleaseStatus": "Unreleased"
+}