[NEW] rancher2_machine_config_v2 resounrce support for opentelekomcloud

[anton-sidelnikov]

Is your feature request related to a problem? Please describe.
Need to add support machine_config_v2

Additional context
Please check next docu:
https://registry.terraform.io/providers/rancher/rancher2/latest/docs/resources/machine_config_v2

Need to add machine_config_v2 for opentelekomcloud, i assume that we can reuse openstack code