Added Comment line above checksum section to add clarification about Kubespray's version support and testing (#6785)

The 0d0cc8cf change creates several
DaemonSets to cover the Flannel CNI installation for different CPU
architectures. This change removes the unnecessary architecture value
from the docker tag value.

Signed-off-by: Victor Morales <v.morales@samsung.com>

* calico: add constant calico_min_version_required

and verify current deployed version against it.

* calico: remove upgrade support with data migration

The tool was used pre v3.0.0 and is no longer needed.

* calico: remove old version support from tasks

* calico: remove old ver support from policy ctrl

* calico: remove old ver support from node

* canal: remove old ver support

* remove unused calicoctl download checksums

calico_min_version_required is the oldest version that can be installed
Older versions can be removed.

* Make metallb image repos configurable

* Moved metallb image repo definitions to download role defaults

* Removed comment. These are set in download defaults

* Update cert manager to 0.16.1

* Update cert manager to 0.16.1

Co-authored-by: Barry Melbourne <9964974+bmelbourne@users.noreply.github.com>

Add snapshot-controller for CSI drivers and snapshot CRDs, add a default volumesnapshotclass when running cinder CSI (#6537)

* add snapshot-controller and v1beta1 snapshot api

* fix typo

* udpate manifest to v1beta1

* update

* update manifests

* fix spelling

* wait until crd is applied

* fix missing info in kube module

* revert snapshotclass

* add snapshot crds before applying the csi driver

* add crds, missed them in last commit

* use pull policy from kubespray

Signed-off-by: Kuralamudhan Ramakrishnan <kuralamudhan.ramakrishnan@intel.com>

* Upgrade JetStack Cert-Manager to v0.15.2

* Add README.md table of contents