ci: add license check with skywalking-eyes GitHub action

Include `.licenserc.yaml` for configuration and GitHub workflow for automated checks.

Signed-off-by: Christian Grönke <[email protected]>

Author: mynetz

.github/workflows/license.yml

@@ -0,0 +1,11 @@
+name: License Check
+
+on: pull_request
+
+jobs:
+  license:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: License Eye Header
+        uses: apache/[email protected]

.licenserc.yaml

@@ -0,0 +1,11 @@
+header:
+  license:
+    spdx-id: Apache-2.0
+    copyright-owner: OpenPRoT a Series of LF Projects, LLC
+    copyright-year: 2025
+    software-name: skywalking-eyes # <4>
+
+  paths:
+    - '**/*.rs'
+
+  comment: on-failure