add PS5 kernel build pipeline with multi-distro support and arm64 cross-compile

.github/workflows/dispatch.yml

@@ -0,0 +1,18 @@
+name: Dispatch to CI
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  dispatch:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Send repository_dispatch
+        uses: peter-evans/repository-dispatch@v3
+        with:
+          token: ${{ secrets.DISPATCH_TOKEN }}
+          repository: resulknad/ps5-vps-setup
+          event-type: image-builder-updated
+          client-payload: '{"sha": "${{ github.sha }}"}'