Create hercules.yaml

.github/workflows/hercules.yaml

@@ -0,0 +1,16 @@
+on: [push]
+
+jobs:
+  hercules-charts:
+    runs-on: ubuntu-latest
+    name: Charts generated by src-d/hercules
+    steps:
+      - uses: actions/checkout@master
+        with:
+          fetch-depth: 0
+      - name: Hercules
+        uses: src-d/hercules@master
+      - uses: actions/upload-artifact@master
+        with:
+          name: hercules_charts
+          path: hercules_charts.tar