* [module/project] Grant IAM rights to service identities based on used services in host project
* [blueprints/factories/project-factory] enable granting IAM permissions in host VPC for service identities directly or by specifying services in use
* fix IAM in examples
* WIP
* fix service identities IAM example
* design principles
* toc anchors
* fix ordering
* style guide
* checks
* example tests
* tests and tools
* fix project example test
* address typos
* address comments
* address last comments