* feat: Add new tests for insecure registries.
* chore: Refactor code into parseImageOptions and add tests.
* feat: normalizeRegistryAddress supports http addresses.
* feat: keys of authConfigs are now stored without protocol.
* chore: Refactor of docker registry fallback in parseImageOptions.
* refactor: Improve tests and implementation of parseImageOptions
* feat: Implement support for http registries.
* fix: authConfig unit tests now reflect newest structure.
* fix: docker_image_registry data source can pull without authentication.
* fix: Refactor setup of http headers for registry requests.
* docs: Add note about http registries.
* docs: Fix linting error in docs.
* chore: runs v2 upgrade cmd
* chore: moves all files into the internal provider dir
* feat: migrates main and provider
* fix: migrates tests to provider factories
* fix: replace import state passthrough ctx func
* chore: bump tf-sdk to v2.4.4
* fix: acc test by adding stop grace period
* fix: move to validate diag functions
* test: switch from ctx TODO to Background
* feat: add state upgrade for restart_policy and auth
Co-authored-by: Shunsuke Suzuki <suzuki-shunsuke@users.noreply.github.com>