add publishing

.forgejo/workflows/publish.yml

@@ -0,0 +1,20 @@
+name: Publish to snapshot maven
+
+on: push
+
+jobs:
+  build:
+    runs-on: docker
+    steps:
+    - uses: actions/checkout@v4
+    - uses: https://github.com/actions/setup-java@v4
+      with:
+        distribution: 'temurin'
+        java-version: 21
+    - uses: https://github.com/gradle/actions/setup-gradle@v3
+    - name: Build
+      run: |
+        chmod +x ./gradlew
+        ./gradlew publishMavenJavaPublicationToFrogMCSnapshotsMavenRepository \
+        -PFrogMCSnapshotsMavenUsername=${{ secrets.MAVEN_PUSH_USER }} \
+        -PFrogMCSnapshotsMavenPassword=${{ secrets.MAVEN_PUSH_TOKEN }}