DodoApp: support Hugo static websites

Change-Id: Ie01f12443e81f3bfc9f7500d443a0399a1fe01ef
diff --git a/apps/app-runner/Dockerfile.hugo b/apps/app-runner/Dockerfile.hugo
new file mode 100644
index 0000000..490d5c5
--- /dev/null
+++ b/apps/app-runner/Dockerfile.hugo
@@ -0,0 +1,5 @@
+FROM giolekva/hugo:latest
+
+ARG TARGETARCH
+
+COPY app-runner_${TARGETARCH} /usr/bin/app-runner