add github actions to check file headers

.github/workflows/headers.yml

@@ -0,0 +1,13 @@
+name: headers
+run-name: License headers check by ${{ github.actor }}
+
+on: [push, pull_request]
+
+jobs:
+  header-checks:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Check License Header
+        uses: apache/skywalking-eyes/header@main

.licenserc.yaml

@@ -0,0 +1,14 @@
+header:
+  license:
+    spdx-id: MIT
+    content: |
+      Copyright (c) Meta Platforms, Inc. and affiliates.
+
+      This source code is licensed under the MIT license found in the
+      LICENSE file in the root directory of this source tree.
+
+  paths-include:
+    - "**/*.py"
+    - "**/*.sh"
+
+  comment: never