feat(cdn): add new resource to apply template to domains

[Lance52259]

What this PR does / why we need it:

Supports new resource that used to apply a CDN template to domain(s).

Which issue this PR fixes:
(optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged)
fixes #xxx

Special notes for your reviewer:

Release note:

1. add new resource to apply template to domains

PR Checklist

• Tests added/passed.

./scripts/coverage.sh -o cdn -f TestAccDomainTemplateApply_basic
Prepare to calculate the coverage the following command:
TF_ACC=1 go test "./huaweicloud/services/acceptance/cdn" -v -coverprofile="./huaweicloud/services/acceptance/cdn/cdn_coverage.cov" -coverpkg="./huaweicloud/services/cdn" -run TestAccDomainTemplateApply_basic -timeout 360m -parallel 10
=== RUN   TestAccDomainTemplateApply_basic
=== PAUSE TestAccDomainTemplateApply_basic
=== CONT  TestAccDomainTemplateApply_basic
--- PASS: TestAccDomainTemplateApply_basic (11.81s)
PASS
coverage: 6.4% of statements in ./huaweicloud/services/cdn
ok      github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/services/acceptance/cdn       11.887s coverage: 6.4% of statements in ./huaweicloud/services/cdn

• Documentation updated.

• Schema updated.

• CheckDeleted.

  • a. During query operation (Read Context)
    aa. Resource not found
    >>>>>> Paste the screenshot here <<<<<<

  • b. During delete/disassociate/unbind operation (Delete Context)
    ba. Resource not found
    >>>>>> Paste the screenshot here <<<<<<

[github-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This PR has been approved by: @Lance52259

[Lance52259]

[Lance52259]

./scripts/coverage.sh -o cdn -f TestAccDomainTemplateApply_basic
Prepare to calculate the coverage the following command:
TF_ACC=1 go test "./huaweicloud/services/acceptance/cdn" -v -coverprofile="./huaweicloud/services/acceptance/cdn/cdn_coverage.cov" -coverpkg="./huaweicloud/services/cdn" -run TestAccDomainTemplateApply_basic -timeout 360m -parallel 10
=== RUN   TestAccDomainTemplateApply_basic
=== PAUSE TestAccDomainTemplateApply_basic
=== CONT  TestAccDomainTemplateApply_basic
--- PASS: TestAccDomainTemplateApply_basic (12.46s)
PASS
coverage: 6.7% of statements in ./huaweicloud/services/cdn
ok      github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/services/acceptance/cdn       12.537s coverage: 6.7% of statements in ./huaweicloud/services/cdn