add maven publish workflow (#24)

Signed-off-by: Chenyang Ji <cyji@amazon.com>

.github/workflows/maven-publish.yml

@@ -0,0 +1,44 @@
+name: Publish snapshots to maven
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+      - '[0-9]+.[0-9]+'
+      - '[0-9]+.x'
+
+jobs:
+  build-and-publish-snapshots:
+    runs-on: ubuntu-latest
+
+    permissions:
+      id-token: write
+      contents: write
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up JDK 11
+        uses: actions/setup-java@v3
+        with:
+          distribution: temurin # Temurin is a distribution of adoptium
+          java-version: 11
+
+      - name: Configure AWS credentials
+        uses: aws-actions/configure-aws-credentials@v4
+        with:
+          role-to-assume: ${{ secrets.PUBLISH_SNAPSHOTS_ROLE }}
+          aws-region: us-east-1
+
+      - name: Publish snapshots to maven
+        run: |
+          export SONATYPE_USERNAME=$(aws secretsmanager get-secret-value --secret-id maven-snapshots-username --query SecretString --output text)
+          export SONATYPE_PASSWORD=$(aws secretsmanager get-secret-value --secret-id maven-snapshots-password --query SecretString --output text)
+          echo "::add-mask::$SONATYPE_USERNAME"
+          echo "::add-mask::$SONATYPE_PASSWORD"
+          # For JS-SPI jar
+          ./gradlew publishShadowPublicationToSnapshotsRepository
+          # For JS jar
+          ./gradlew publishNebulaPublicationToSnapshotsRepository
+          # For JS plugin zip
+          ./gradlew publishPluginZipPublicationToSnapshotsRepository