Including some basic Actions build that can at least check that thing…

…s compile

.github/workflows/build.yml

@@ -0,0 +1,19 @@
+
+name: auto-check-build
+
+on: [push, pull_request]
+
+jobs:
+  basicBuild:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up JDK 8
+        uses: actions/setup-java@v2
+        with:
+          java-version: '8.0.292+10'
+          distribution: 'adopt'
+
+      - name: Installs packages
+        run: mvn install -B