Add new Image Optimizer default settings API
Added documentation for the new Image Optimizer default settings API.
Prior change: Fastly Terraform Provider 5.9.0
Following change: VCL_RECV changes, x-compress-hint behavior change, bugfixes
Added documentation for the new Image Optimizer default settings API.
Prior change: Fastly Terraform Provider 5.9.0
Following change: VCL_RECV changes, x-compress-hint behavior change, bugfixes