add the step to publish to maven

Author: KamelMohamad

.github/workflows/publish.yml

@@ -6,4 +6,14 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-      -uses actions/
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup Java
+        uses: actions/setup-java@v1
+        with:
+          java-version: 17
+
+      - name: publish to maven central
+        run: ./gradlew publishAndReleaseToMavenCentral --no-configuration-cache
+
+