Add GitHub CI tests

Author: stigtsp

.github/workflows/test.yml

@@ -0,0 +1,43 @@
+name: Test
+on:
+  push: ~
+  pull_request: ~
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    name: test (${{ matrix.os }})
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-latest
+            make: make
+          - os: macos-latest
+            make: make
+          - os: windows-latest
+            make: gmake
+
+    runs-on: ${{ matrix.os }}
+
+    env:
+      AUTOMATED_TESTING: 1
+
+    steps:
+      - uses: actions/checkout@v6
+      - uses: shogo82148/actions-setup-perl@v1
+        with:
+          perl-version: latest
+          distribution: strawberry
+      - name: Show perl configuration
+        run: perl -V
+      - name: Install dependencies
+        run: cpanm --notest --installdeps .
+      - name: Run Makefile.PL
+        run: perl Makefile.PL
+      - name: Build
+        run: ${{ matrix.make }}
+      - name: Run the tests
+        run: ${{ matrix.make }} test

MANIFEST.SKIP

@@ -1,5 +1,6 @@
 MANIFEST.bak
 Makefile.old
+^\.github/
 Makefile$
 README.pod
 .gitignore