Check license header (#205)

Author: mrp089

.github/workflows/license.yml

@@ -0,0 +1,14 @@
+# This workflow checks that all .h/.cpp files have the SPDX copyright header at the top
+name: Copyright
+on: [push, pull_request]
+jobs:
+  check-license-lines:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Setup Deno
+      uses: denoland/setup-deno@v1
+      with:
+        deno-version: v1.x
+    - name: Check License
+      run: deno run --allow-read jsr:@kt3k/[email protected]

.licenserc.json

@@ -0,0 +1,7 @@
+{
+  "src/*.{h,hpp,c,cpp}": [
+    "SPDX-FileCopyrightText: Copyright (c) Stanford University, The Regents of the University of California, and others.",
+    "SPDX-License-Identifier: BSD-3-Clause"
+  ],
+  "ignore": []
+}