feat(SDRS): Synchronized SDRS resources, unit test and document.

[liwanting0517]

What this PR does / why we need it:

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:

PR Checklist

• Tests added/passed.
• Documentation updated.
• Schema updated.

Acceptance Steps Performed

=== RUN   TestAccProtectionGroup_basic
=== PAUSE TestAccProtectionGroup_basic
=== CONT  TestAccProtectionGroup_basic
--- PASS: TestAccProtectionGroup_basic (92.84s)
PASS

=== RUN   TestAccReplicationPair_basic
=== PAUSE TestAccReplicationPair_basic
=== CONT  TestAccReplicationPair_basic
--- PASS: TestAccReplicationPair_basic (130.28s)
PASS