Add ClusterAPI documentation to renderred docs

Change-Id: I4f802681d494bfce2b8fdc1127c7e916a29d9944

doc/source/assets/mcapi-architecture.png

@@ -0,0 +1 @@
+../../../mcapi_vexxhost/assets/mcapi-architecture.png

doc/source/index.rst

@@ -7,6 +7,7 @@ OpenStack-Ansible Operator Tooling
 
    swift_storage_mount_drives
    elk_metrics
+   mcapi
 
 OpenStack-Ansible Diff Generator
 --------------------------------

doc/source/mcapi.rst

@@ -0,0 +1,2 @@
+
+.. include:: ../../mcapi_vexxhost/README.rst

mcapi_vexxhost/README.md

@@ -1,3 +0,0 @@
-# Ansible Collection - osa_ops.mcapi_vexxhost
-
-Documentation for the collection.

mcapi_vexxhost/README.rst

@@ -42,7 +42,7 @@ The ansible collection used to deploy the container runtime for the controlplane
 Highlevel overview of the Magnum infrastructure these playbooks will
 build and operate against.
 
-.. image:: mcapi-architecture.png
+.. image:: assets/mcapi-architecture.png
     :scale: 100 %
     :alt: OSA Magnum Cluster API Architecture
     :align: center
@@ -305,7 +305,7 @@ Run the magnum-cluster-api deployment
      openstack-ansible osa_ops.mcapi_vexxhost.k8s_install
 
 Optionally run a functional test of magnum-cluster-api
------------------------------------------------------
+------------------------------------------------------
 
 This can be done quickly using the following playbook