added spec compliance check badge

.github/workflows/update-spec-compliance-badge.yaml

@@ -0,0 +1,28 @@
+# ********************************************************************************
+#  Copyright (c) 2025 Contributors to the Eclipse Foundation
+#
+#  See the NOTICE file(s) distributed with this work for additional
+#  information regarding copyright ownership.
+#
+#  This program and the accompanying materials are made available under the
+#  terms of the Apache License Version 2.0 which is available at
+#  https://www.apache.org/licenses/LICENSE-2.0
+#
+#  SPDX-License-Identifier: Apache-2.0
+# *******************************************************************************
+
+name: Spec Compliance
+
+on:
+  push:
+    branches: [ main ]
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.ref }}-${{ github.workflow }}
+  cancel-in-progress: true
+
+jobs:
+  update-spec-compliance-badge:
+    uses: xerner/ci-cd/.github/workflows/update-spec-compliance-badge.yaml@main
+    secrets: inherit

README.md

@@ -1,5 +1,7 @@
 # Eclipse uProtocol Rust library
 
+[![badge](https://img.shields.io/endpoint?url=https://gist.githubusercontent.com/eclipse-uprotocol/80759847e7bd262515184cb28f588a09/raw/spec-compliance-badge.json)](https://github.com/eclipse-uprotocol/up-spec)
+
 This is the [uProtocol v1.6.0-alpha.6 Language Library](https://github.com/eclipse-uprotocol/uprotocol-spec/blob/v1.6.0-alpha.6/languages.adoc) for the Rust programming language.
 
 The crate can be used to