Add documents for target k8s worker node deployment

[dukov]

Problem description (if applicable)
Need to extend document model with worker node function definition

Proposed change
Add function 'k8sworker' which contains following resources
KubeadmConfigTemplate
MachineDeployment
Metal3MachineTemplate
BareMetalHost

Potential impacts
Document model will be extended with set of resources.

[airshipbot]

Related Change #717306

Subject: Implement worker node deployment
Link: https://review.opendev.org/717306
Status: ABANDONED
Owner: Dmitry Ukov (dukov@mirantis.com)

This change will close this issue when merged.

Approvals

Code-Review
! None
Verified
+1 Zuul
Workflow
! None

Last Updated: 2020-11-09 07:45:19 CST

[jezogwza]

Expecting Gating to deploy Target Cluster.

[drewwalters96]

Duplicate issue