Update .github

.github/workflows/report-size-deltas.yml

@@ -0,0 +1,16 @@
+name: Report Size Deltas
+
+on:
+  schedule:
+    - cron:  '*/5 * * * *'
+
+jobs:
+  report:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Comment size deltas reports to PRs
+        uses: arduino/report-size-deltas@v1
+        with:
+          # The name of the workflow artifact created by the "Compile Examples" workflow
+          sketches-reports-source: sketches-reports