Created action to publish the library on each release

.github/workflows/publish.yml

@@ -0,0 +1,42 @@
+name: Publish
+
+on:
+  release:
+    types: [released]
+
+jobs:
+  publish:
+    name: Release build and publish
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+
+      - name: Set up JDK
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+
+      - name: Create GPG file
+        env:
+          GPG_KEY_CONTENTS: ${{ secrets.GPG_KEY_CONTENTS }}
+          SIGNING_SECRET_KEY_RING_FILE: ${{ secrets.SIGNING_SECRET_KEY_RING_FILE }}
+        run: |
+          git fetch --unshallow
+          sudo bash -c "echo '$GPG_KEY_CONTENTS' | base64 -d > '$SIGNING_SECRET_KEY_RING_FILE'"
+
+      - name: Release build
+        run: ./gradlew :vertical-stepper-form:assembleRelease
+
+      - name: Get artifacts
+        run: ./gradlew androidSourcesJar javadocJar
+
+      - name: Publish to MavenCentral
+        run: ./gradlew publishReleasePublicationToSonatypeRepository --max-workers 1 closeAndReleaseRepository
+        env:
+          OSSRH_USERNAME: ${{ secrets.OSSRH_USERNAME }}
+          OSSRH_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
+          SIGNING_KEY_ID: ${{ secrets.SIGNING_KEY_ID }}
+          SIGNING_PASSWORD: ${{ secrets.SIGNING_PASSWORD }}
+          SIGNING_SECRET_KEY_RING_FILE: ${{ secrets.SIGNING_SECRET_KEY_RING_FILE }}
+          SONATYPE_STAGING_PROFILE_ID: ${{ secrets.SONATYPE_STAGING_PROFILE_ID }}