ci: deploy generated docs

Author: iseki0

.github/workflows/docs.yml

@@ -0,0 +1,46 @@
+name: Docs
+on:
+  push:
+    branches:
+      - master
+  workflow_dispatch:
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+concurrency:
+  group: "pages"
+  cancel-in-progress: true
+jobs:
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up JDK
+        uses: actions/setup-java@v3
+        with:
+          java-version-file: '.java-version'
+          distribution: 'temurin'
+          server-id: github # Value of the distributionManagement/repository/id field of the pom.xml
+          settings-path: ${{ github.workspace }} # location for the settings.xml file
+      - name: Set up Gradle
+        uses: gradle/actions/setup-gradle@v3
+        with:
+          cache-encryption-key: ${{ secrets.GradleEncryptionKey }} # openssl rand -base64 16
+          validate-wrappers: true
+          build-scan-publish: true
+          build-scan-terms-of-use-url: "https://gradle.com/terms-of-service"
+          build-scan-terms-of-use-agree: "yes"
+      - name: Generate docs
+        run: ./gradlew dokkaHtml
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          # Upload entire repository
+          path: 'build/dokka/html'
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4