Add GitHub action for Dokka documentation

Author: CJCrafter

.github/workflows/dokka-publish.yml

@@ -0,0 +1,31 @@
+name: Publish Dokka Documentation
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  build-and-publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Set up JDK
+        uses: actions/setup-java@v2
+        with:
+          distribution: 'temurin'
+          java-version: '11'
+
+      - name: Generate Dokka HTML documentation
+        run: ./gradlew dokkaHtml
+
+      - name: Deploy to GitHub Pages
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./build/dokka/html
+          publish_branch: gh-pages