Assumption of default network

[awolde]

I'd change the terraform code to create project first if we need to rely on a default network.

Error: Error applying plan:

1 error(s) occurred:

* google_container_cluster.primary: 1 error(s) occurred:

* google_container_cluster.primary: googleapi: Error 400: Project "awolde-moni-proj-cgai" has no network named "default"., badRequest```