fix: add header for repository

README.md

@@ -1,4 +1,17 @@
-# Gentrace OpenAPI Specification
+
+<!-- TEXT_SECTION:header:START -->
+<h1 align="center">
+Gentrace OpenAPI Specification
+</h1>
+<p align="center">
+  <a href="https://github.com/gentrace/gentrace-openapi/blob/master/LICENSE">
+    <img src="https://img.shields.io/badge/license-MIT-blue.svg" alt="Gentrace is released under the MIT license." />
+  </a>
+  <a href="https://github.com/gentrace/gentrace-openapi/actions/workflows/release-please.yaml">
+    <img src="https://github.com/gentrace/gentrace-openapi/actions/workflows/release-please.yaml/badge.svg" alt="Release Github action status" />
+  </a>
+</p>
+<!-- TEXT_SECTION:header:END -->
 
 This repository contains the OpenAPI specification for the Gentrace API.