Using apache/skywalking-eye to do the license checking work (#207)

.github/workflows/license-check.yaml

@@ -0,0 +1,11 @@
+name: License check
+
+on:
+  - pull_request
+
+jobs:
+  Test:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Check License Header
+        uses: apache/skywalking-eyes@v0.4.0

.licenserc.yaml

@@ -0,0 +1,13 @@
+header:
+  license:
+    spdx-id: MIT License
+    copyright-owner: API Testing Authors
+
+  paths-ignore:
+    - 'dist'
+    - 'licenses'
+    - '**/*.md'
+    - 'LICENSE'
+    - 'NOTICE'
+
+  comment: on-failure