👷 Add artifact release CI configs

Author: allan-on

.github/workflows/release.yml

@@ -0,0 +1,47 @@
+# This workflow will build a Java project with Gradle
+# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-gradle
+
+name: Snapshot Release
+
+on:
+  push:
+    tags:
+      - v[0-9]+.[0-9]+.[0-9]+-SNAPSHOT
+      - v[0-9]+.[0-9]+.[0-9]+-[0-9a-zA-Z]+-SNAPSHOT
+      - v[0-9]+.[0-9]+.[0-9]+-[0-9a-zA-Z]+-[0-9a-zA-Z]+-SNAPSHOT
+env:
+  NEXUS_USERNAME: ${{ secrets.NEXUS_USERNAME }}
+  NEXUS_PASSWORD: ${{ secrets.NEXUS_PASSWORD }}
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Cancel previous workflow runs
+        uses: styfle/cancel-workflow-action@0.9.1
+        with:
+          access_token: ${{ github.token }}
+
+      - name: Checkout 🛎️
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 2
+
+      - name: Set up JDK 11
+        uses: actions/setup-java@v1
+        with:
+          java-version: 11
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Run unit tests with Gradle
+        run: ./gradlew :opensrp-reporting:clean :opensrp-reporting:testDebugUnitTest --stacktrace
+
+      - name: Generate & upload library snapshot artifact AAR (Android Archive) file
+        run: ./gradlew :opensrp-reporting:uploadArchives -PmavenLocal=false --stacktrace -PsonatypeUsername=${{ secrets.NEXUS_USERNAME }} -PsonatypePassword=${{ secrets.NEXUS_PASSWORD }}
+
+      - name: Github Release
+        uses: softprops/action-gh-release@v1
+        with:
+          prerelease: ${{ contains(github.ref, '-alpha') || contains(github.ref, '-beta') }}