Add azure-skills as external plugin

Add microsoft/azure-skills as an external plugin with metadata including
author, homepage, keywords, license, and repository fields. Regenerated
marketplace.json.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: tmeschter

.github/plugin/marketplace.json

@@ -22,6 +22,30 @@
       "description": "Comprehensive Azure cloud development tools including Infrastructure as Code, serverless functions, architecture patterns, and cost optimization for building scalable cloud applications.",
       "version": "1.0.1"
     },
+    {
+      "name": "azure-skills",
+      "description": "Microsoft Azure MCP integration for cloud resource management, deployments, and Azure services. Manage your Azure infrastructure, monitor applications, and deploy resources directly from Claude Code.",
+      "version": "1.0.0",
+      "author": {
+        "name": "Microsoft",
+        "url": "https://www.microsoft.com"
+      },
+      "homepage": "https://github.com/microsoft/github-copilot-for-azure",
+      "keywords": [
+        "azure",
+        "cloud",
+        "infrastructure",
+        "deployment",
+        "microsoft",
+        "devops"
+      ],
+      "license": "MIT",
+      "repository": "https://github.com/microsoft/azure-skills",
+      "source": {
+        "source": "github",
+        "repo": "microsoft/azure-skills"
+      }
+    },
     {
       "name": "cast-imaging",
       "source": "cast-imaging",

plugins/external.json

@@ -1 +1,19 @@
-[]
+[
+  {
+    "name": "azure-skills",
+    "description": "Microsoft Azure MCP integration for cloud resource management, deployments, and Azure services. Manage your Azure infrastructure, monitor applications, and deploy resources directly from Claude Code.",
+    "version": "1.0.0",
+    "author": {
+      "name": "Microsoft",
+      "url": "https://www.microsoft.com"
+    },
+    "homepage": "https://github.com/microsoft/github-copilot-for-azure",
+    "keywords": ["azure", "cloud", "infrastructure", "deployment", "microsoft", "devops"],
+    "license": "MIT",
+    "repository": "https://github.com/microsoft/azure-skills",
+    "source": {
+      "source": "github",
+      "repo": "microsoft/azure-skills"
+    }
+  }
+]