Manifests: Create a kubernetes specific manifest

Kubernetes 1.28 now supports swap on zram as beta, so we need to ship
this package in RHCOS.
Moving zram to a separate manifest that could be optionnaly enabled for
k8s use ?

See coreos/fedora-coreos-docs#530

manifests/fedora-coreos-base.yaml

@@ -12,6 +12,7 @@ include:
   - shared-workarounds.yaml
   # See https://github.com/coreos/bootupd
   - bootupd.yaml
+  - kubernetes.yaml
 ostree-layers:
   - overlay/05core
   - overlay/08nouveau
@@ -150,9 +151,6 @@ packages:
   - console-login-helper-messages-motdgen
   # i18n
   - kbd
-  # zram-generator (but not zram-generator-defaults) for F33 change
-  # https://github.com/coreos/fedora-coreos-tracker/issues/509
-  - zram-generator
   # resolved was broken out to its own package in rawhide/f35
   - systemd-resolved
   # In F35+ need `iptables-legacy` package

manifests/kubernetes.yaml

@@ -0,0 +1,10 @@
+# This file is included in RHEL CoreOS, see
+# https://github.com/openshift/os/blob/71c974b1e456292033e3ef3fe7bcfe17d1855ebc/manifest.yaml#L12
+# Only apply changes here that should apply to both FCOS and RHCOS.
+
+# The intent of this file is to gather packages and configuration that are tailored towards a kubernetes deployment
+
+packages:
+# zram-generator (but not zram-generator-defaults) for F33 change
+# https://github.com/coreos/fedora-coreos-tracker/issues/509
+- zram-generator