Merge remote-tracking branch 'origin/master' into deterministic-builds

docs/setup.md

@@ -2,9 +2,22 @@
 title: 'Setup'
 ---
 
+# GitHub Actions [linux/mac/windows] {: #github-actions}
+
+To build Linux, Mac, and Windows wheels using Github Actions, create a `.github/workflows/build.yml` file in your repo.
+
+> build.yml
+```yaml
+{% include "../examples/github-minimal.yml" %}
+```
+
+Commit this file, and push to Github - either to your default branch, or to a PR branch. The build should start automatically.
+
+For more info on this file, check out the [docs](https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions).
+
 # Azure Pipelines [linux/mac/windows] {: #azure-pipelines}
 
-Using Azure pipelines, you can build all three platforms on the same service. Create a `azure-pipelines.yml` file in your repo.
+To build Linux, Mac, and Windows wheels on Azure Pipelines, create a `azure-pipelines.yml` file in your repo.
 
 > azure-pipelines.yml
 ```yaml