add workflow

.github/release-drafter.yml

@@ -0,0 +1,23 @@
+name-template: 'v$NEXT_PATCH_VERSION'
+tag-template: 'v$NEXT_PATCH_VERSION'
+categories:
+  - title: '🚀 Features'
+    labels:
+      - 'enhancement'
+
+  - title: '🐛 Bug Fixes'
+    labels:
+      - 'bug'
+
+  - title: '🧾 Documentation'
+    labels:
+      - 'type:documentation'
+
+  - title: '🧪 Tests'
+    labels:
+      - 'tests'
+
+change-template: '- $TITLE @$AUTHOR (#$NUMBER)'
+template: |
+  ## Changes
+  $CHANGES

.github/workflows/gradle-build.yml

@@ -0,0 +1,30 @@
+name: Java CI with Gradle
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "*" ]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up JDK 8
+      uses: actions/setup-java@v3
+      with:
+        java-version: '8'
+        distribution: 'temurin'
+    - name: Validate Gradle wrapper
+      uses: gradle/wrapper-validation-action@v1
+    - name: Add permission
+      run: chmod +x ./gradlew
+    - name: Build with Gradle
+      uses: gradle/gradle-build-action@v2
+      with:
+        arguments: build

.github/workflows/gradle-publish.yml

@@ -0,0 +1,26 @@
+name: Publish package to the Maven Central Repository
+on:
+  release:
+    types: [created]
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Java
+        uses: actions/setup-java@v3
+        with:
+          java-version: '8'
+          # distribution: 'adopt'
+          distribution: 'temurin'
+      - name: Validate Gradle wrapper
+        uses: gradle/wrapper-validation-action@v1
+      - name: Add permission
+        run: chmod +x ./gradlew
+      - name: Publish package
+        uses: gradle/gradle-build-action@v2
+        with:
+          arguments: publish
+        env:
+          MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
+          MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}

.github/workflows/label-verifier.yml

@@ -0,0 +1,13 @@
+name: "Verify type labels"
+
+on:
+  pull_request:
+    types: [opened, labeled, unlabeled, synchronize]
+
+jobs:
+  triage:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: zwaldowski/match-label-action@v4
+        with:
+          allowed_multiple: enhancement, bug, documentation, tests

.github/workflows/release-draft.yml

@@ -0,0 +1,13 @@
+name: "Create draft release"
+
+on:
+  push:
+    branches: [ "main" ]
+
+jobs:
+  update_draft_release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: release-drafter/release-drafter@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

build.gradle.kts

@@ -33,6 +33,16 @@ nexusPublishing {
 }
 
 publishing {
+    repositories {
+        maven {
+        name = "OSSRH"
+        url = uri("https://oss.sonatype.org/service/local/staging/deploy/maven2/")
+        credentials {
+            username = System.getenv("MAVEN_USERNAME")
+            password = System.getenv("MAVEN_PASSWORD")
+        }
+        }
+    }
     publications {
         create<MavenPublication>("maven") {
             suppressAllPomMetadataWarnings()