Add Azure Resource Manager templates to contrib folder

contrib/azurerm/.gitignore

contrib/azurerm/README.md

contrib/azurerm/apply-rg.sh

contrib/azurerm/clear-rg.sh

contrib/azurerm/generate-inventory.sh

contrib/azurerm/generate-inventory.yml

contrib/azurerm/generate-templates.yml

contrib/azurerm/group_vars/all

contrib/azurerm/roles/generate-inventory/tasks/main.yml

...b/azurerm/roles/generate-inventory/templates/inventory.j2

contrib/azurerm/roles/generate-templates/defaults/main.yml

contrib/azurerm/roles/generate-templates/tasks/main.yml

...roles/generate-templates/templates/availability-sets.json

...b/azurerm/roles/generate-templates/templates/bastion.json

.../azurerm/roles/generate-templates/templates/clear-rg.json

...b/azurerm/roles/generate-templates/templates/masters.json

...b/azurerm/roles/generate-templates/templates/minions.json

...b/azurerm/roles/generate-templates/templates/network.json

...b/azurerm/roles/generate-templates/templates/storage.json