add github automatic release action

.github/workflows/github-actions.yml

@@ -1,17 +1,28 @@
-name: GitHub Actions Demo
+---
-on: [push]
+name: "pre-release"
+
+on:
+  push:
+    branches:
+      - "master"
+
 jobs:
-  Explore-GitHub-Actions:
+  pre-release:
-    runs-on: ubuntu-latest
+    name: "Pre Release"
+    runs-on: "ubuntu-latest"
+
     steps:
-      - run: echo "🎉 The job was automatically triggered by a ${{ github.event_name }} event."
+      # ...
-      - run: echo "🐧 This job is now running on a ${{ runner.os }} server hosted by GitHub!"
+      - name: "Build & test"
-      - run: echo "🔎 The name of your branch is ${{ github.ref }} and your repository is ${{ github.repository }}."
-      - name: Check out repository code
-        uses: actions/checkout@v2
-      - run: echo "💡 The ${{ github.repository }} repository has been cloned to the runner."
-      - run: echo "🖥️ The workflow is now ready to test your code on the runner."
-      - name: List files in the repository
         run: |
-          ls ${{ github.workspace }}
+          echo "done!"
-      - run: echo "🍏 This job's status is ${{ job.status }}."
+
+      - uses: "marvinpinto/action-automatic-releases@latest"
+        with:
+          repo_token: "${{ secrets.GITHUB_TOKEN }}"
+          automatic_release_tag: "latest"
+          prerelease: true
+          title: "Development Build"
+          files: |
+            LICENSE.txt
+            *.jar