* feat: Add support for custom cloud-init vendor data file
Add new argument `initialization`.`vendor_data_file_id` to specify a file ID form snippets.
* add vendor cloud-init to examples
* add missing `vendor` to unmarshal
* remove debug lines
* Update TF SDK using `tf-sdk-migrator v2upgrade`
Address some linter issues
Clean up `resource_virtual_environment_file.go` (still, error handling is not ideal)
* few minor cleanups
* Clean up, add context and diagnostics to `resource_virtual_environment_vm.go`
* Clean up, add context and diagnostics to `resource_virtual_environment_container.go`
* Clean up, add context and diagnostics to `resource_virtual_environment_container.go`
* Update remaining resources and data sources
* fix `make example`... now it actually uses the built provider 🤦
* propagate Context everywhere
use tflog.* for logging
* add support for debug flag
* fix old issues with:
- setting `resource_virtual_environment_file.changed` attribute
- setting `resource_virtual_environment_cluster_ipset.cidr` attributes
- setting `data_source_virtual_environment_user.groups` and `.keys` attributes
* bump dependencies
* minor cleanups
* Bump Go to v1.18
Dropped support for TF v0.x
* more cleanups
* update README.md
* update PR template
* update release.yml
