Create main.yml

.github/workflows/main.yml

@@ -0,0 +1,23 @@
+name: ci
+
+on: [push, workflow_dispatch]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 8
+      - name: Build
+        run: bash run-demo.sh
+
+      - name: Upload build output
+        uses: actions/upload-artifact@v1
+        with:
+          name: upload
+          path: ../tmp/mesa