GH Actions (#138)

* Create maven.yml

.github/workflows/maven.yml

@@ -0,0 +1,25 @@
+name: Java CI
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Set up JDK 1.8
+      uses: actions/setup-java@v1
+      with:
+        java-version: 1.8
+    - name: Build with Maven
+      run: mvn -B package --file pom.xml
+      
+    - name: Upload artifact
+      uses: actions/[email protected]
+      with:
+        # Artifact name
+        name: ysoserial
+        # Directory containing files to upload
+        path: /home/runner/work/ysoserial/ysoserial/target/