add license and dependency check workflow (#17)

Author: slievrly

.github/workflows/license-checker.yaml

@@ -0,0 +1,51 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+name: License checker
+
+on:
+  pull_request:
+      branches: [ main ]
+
+jobs:
+  check-license:
+    runs-on: ubuntu-latest
+    steps:
+      # step 1 clear cache
+      - name: Clear cache directory first before trying to restore from cache
+        run: sudo rm -rf $(go env GOMODCACHE) && sudo rm -rf $(go env GOCACHE)
+        shell: bash
+      # step 2 checkout
+      - name: Checkout
+        uses: actions/checkout@v3
+      # step 3 https://github.blog/changelog/2022-09-22-github-actions-all-actions-will-begin-running-on-node16-instead-of-node12/
+      - uses: actions/setup-node@v3
+        with:
+          node-version: '14.x'
+      # step 4 check license
+      - name: Check License Header
+        uses: apache/skywalking-eyes/header@8fc52baabc14c86294d96034bcc194cfa7f76b05
+        with:
+          log: info
+          config: .licenserc.yaml
+          mode: check
+      # step 5 check dependencies
+      - name: Check Dependencies' License
+        uses: apache/skywalking-eyes/dependency@8fc52baabc14c86294d96034bcc194cfa7f76b05
+        with:
+          log: info
+          config: .licenserc.yaml
+          mode: check