alpha release

.github/workflows/build.yml

@@ -15,3 +15,19 @@ jobs:
       uses: gradle/gradle-build-action@v2
     - name: Execute Gradle build
       run: ./gradlew build
+    - run: mkdir staging && cp build/libs/*.jar staging
+    - run: cd target && md5sum *.jar > ../md5sum.txt
+    - run: echo "filename=`ls build/libs/*.jar |xargs basename`" >> $GITHUB_ENV
+    - uses: actions/upload-artifact@v3
+      with:
+        name: ${{ env.filename }}
+        path: staging
+    - uses: actions/upload-artifact@v3
+      with:
+        name: md5sum.txt
+        path: md5sum.txt
+    - name: Release
+      uses: softprops/action-gh-release@v1
+      if: startsWith(github.ref, 'refs/tags/')
+      with:
+        files: build/libs/*.jar