CI GA: new toy - create hercules_charts.yml

.github/workflows/hercules_charts.yml

@@ -0,0 +1,24 @@
+on:
+  push:
+    branches:
+    - master
+  schedule:
+  - cron: "0 5 * * *"
+
+jobs:
+  hercules-charts:
+    runs-on: ubuntu-latest
+    name: Hercules Insights, charts generated by src-d/hercules
+    steps:
+      - uses: actions/checkout@master
+        with:
+          fetch-depth: 0
+      - name: Hercules Insights
+        uses: src-d/hercules@latest
+        # with:
+          # # hercules command line arguments
+          # args: # optional, default is --burndown --burndown-people --devs --couples
+      - uses: actions/upload-artifact@master
+        with:
+          name: hercules_charts
+          path: hercules_charts.tar