feat: one-line install for agents and probes from one shared script (curl | bash, zsh, PowerShell) [CI]

ci/release-node-images.sh

@@ -70,6 +70,7 @@ build_arch_image() {
   install -m 0755 "$work/fleet-enroll" "$context/app/fleet-enroll"
   install -m 0755 "$work/moshiro-$component" "$context/app/moshiro-$component"
   : > "$context/config/.keep"
+  install -m 0755 "$root/packaging/container/entrypoint.sh" "$context/entrypoint.sh"
 
   buildah bud --tls-verify=true --arch "$arch" \
     --build-arg "APP_VERSION=$version" \