add .mcp.json

plugin/.mcp.json

@@ -0,0 +1,12 @@
+{
+  "mcpServers": {
+    "github-ops": {
+      "type": "http",
+      "url": "https://api.githubcopilot.com/mcp/",
+      "headers": {
+        "Authorization": "Bearer ${GITHUB_OPS_PAT}",
+        "X-MCP-Toolsets": "context,repos,issues,pull_requests,git,actions,labels,orgs,users,discussions,projects,code_security,secret_protection,dependabot,security_advisories,gists"
+      }
+    }
+  }
+}