Add Github Action for checking license lines

.github/workflows/License.yml

@@ -0,0 +1,13 @@
+name: Check License Lines
+on:
+  push:
+    branches: [main]
+    tags: ['*']
+  pull_request:
+jobs:
+  check-license-lines:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Check License Lines
+      uses: kt3k/[email protected]

.licenserc.json

@@ -0,0 +1,11 @@
+{
+    "**/*.jl": [
+        "# MIT license",
+        "# Copyright (c) Microsoft Corporation. All rights reserved.",
+        "# See LICENSE in the project root for full license information."
+    ],
+    "ignore": [
+        "samples/notebooks/",
+        "samples\\notebooks\\"
+    ]
+}