Add cluster inventory API blog link (#557)

Signed-off-by: kahirokunn <okinakahiro@gmail.com>

Author: kahirokunn

content/en/blog/getting-started-with-the-cluster-inventory-api-on-ocm-part-1-clusterprofile/index.md

@@ -0,0 +1,8 @@
+---
+title: "Getting Started with the Cluster Inventory API on OCM (Part 1: ClusterProfile)"
+date: 2026-05-05
+author: Kahiro Okina [@kahirokunn](https://github.com/kahirokunn)
+toc_hide: true
+---
+
+Read more at [DEV Community](https://dev.to/kahirokunn/getting-started-with-the-cluster-inventory-api-on-ocm-part-1-clusterprofile-35i8).