Example with QEMU

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

setup-buildx/README.md

@@ -6,6 +6,7 @@ ___
 
 * [Usage](#usage)
   * [Quick start](#quick-start)
+  * [With QEMU](#with-qemu)
 * [Customizing](#customizing)
   * [inputs](#inputs)
   * [outputs](#outputs)
@@ -44,6 +45,43 @@ jobs:
         run: echo ${{ steps.buildx.outputs.platforms }}
 ```
 
+### With QEMU
+
+If you want support for more platforms you can use our [setup-qemu](../setup-qemu) action:
+
+```yaml
+name: ci
+
+on:
+  pull_request:
+    branches: master
+  push:
+    branches: master
+    tags:
+
+jobs:
+  buildx:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Set up QEMU
+        uses: docker/action/setup-qemu@v2
+        with:
+          qemu-version: latest
+      -
+        name: Set up Docker Buildx
+        id: buildx
+        uses: docker/action/setup-buildx@v2
+        with:
+          buildx-version: latest
+      -
+        name: Available platforms
+        run: echo ${{ steps.buildx.outputs.platforms }}
+```
+
 ## Customizing
 
 ### inputs