Add publish action

.github/workflows/publish.yml

@@ -0,0 +1,33 @@
+name: Publish to Maven Central
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+          ref: ${{ github.event.release.tag_name }}
+
+      - name: Setup Java
+        uses: actions/setup-java@v4
+        with:
+          distribution: "temurin"
+          java-version: 17
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Publish to Maven Central
+        run: ./gradlew publishAndReleaseToMavenCentral --no-configuration-cache
+        env:
+          ORG_GRADLE_PROJECT_mavenCentralUsername: ${{ secrets.MAVEN_CENTRAL_USERNAME }}
+          ORG_GRADLE_PROJECT_mavenCentralPassword: ${{ secrets.MAVEN_CENTRAL_PASSWORD }}
+          ORG_GRADLE_PROJECT_signingInMemoryKey: ${{ secrets.SIGNING_KEY }}
+          ORG_GRADLE_PROJECT_signingInMemoryKeyPassword: ${{ secrets.SIGNING_KEY_PASSWORD }}
+

release.py

@@ -5,7 +5,7 @@
 contents = gradle.read()
 gradle.close()
 
-version_name = re.search('version = "(.+)"', contents).group(1)
+version_name = re.search('versionName = "(.+)"', contents).group(1)
 
 print("Creating draft release for version", version_name)