New github workflow for uploading a coverage html report

Author: bitspittle

.github/workflows/coverage-html-report.yaml

@@ -0,0 +1,31 @@
+name: Create HTML coverage report
+
+on:
+  push:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 24
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v3
+
+      - name: Generate coverage report
+        run: ./gradlew koverHtmlReport
+
+      - name: Upload coverage report
+        uses: actions/upload-artifact@v4
+        with:
+          name: kotter-coverage-report
+          path: kotter/build/reports/kover/html/
+          retention-days: 1