Set up flowzone

Author: Page-

.github/workflows/flowzone.yml

@@ -0,0 +1,18 @@
+name: Flowzone
+
+on:
+  pull_request:
+    types: [opened, synchronize, closed]
+    branches: [main, master]
+  pull_request_target:
+    types: [opened, synchronize, closed]
+    branches: [main, master]
+
+jobs:
+  flowzone:
+    name: Flowzone
+    uses: product-os/flowzone/.github/workflows/flowzone.yml@master
+    if: |
+      (github.event.pull_request.head.repo.full_name == github.repository && github.event_name == 'pull_request') ||
+      (github.event.pull_request.head.repo.full_name != github.repository && github.event_name == 'pull_request_target')
+    secrets: inherit