travis -> actions

Author: fulldecent

.github/workflows/check-lines.yml

@@ -0,0 +1,20 @@
+name: Check Lines Script
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  run-check-lines:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Run check-lines.sh script
+        run: ./tests/check-lines.sh