Added support for docs command

[ujjwal-ibm]

Fixes #36148

Target Release

1.11.x

Draft CHANGELOG entry

NEW FEATURES | UPGRADE NOTES | ENHANCEMENTS | BUG FIXES | EXPERIMENTS

% go test -v -run "^TestDocs"
=== RUN   TestDocsCommand_implements
--- PASS: TestDocsCommand_implements (0.00s)
=== RUN   TestDocs_basic
--- PASS: TestDocs_basic (0.00s)
=== RUN   TestDocs_resourceDoc
--- PASS: TestDocs_resourceDoc (0.00s)
=== RUN   TestDocs_searchKeyword
--- PASS: TestDocs_searchKeyword (0.00s)
=== RUN   TestDocs_invalidProvider
--- PASS: TestDocs_invalidProvider (0.00s)
=== RUN   TestDocs_missingDocs
--- PASS: TestDocs_missingDocs (0.00s)
=== RUN   TestDocs_invalidFlags
--- PASS: TestDocs_invalidFlags (0.01s)
PASS
ok      github.com/hashicorp/terraform/internal/command 1.407s

[hashicorp-cla-app]

All committers have signed the CLA.

[crw]

@ujjwal-ibm thanks for the pull request. Per the contribution guide, we prefer to discuss the solution before starting on implementation. That said, I'll raise this PR in triage to see if we can review it or get it on the schedule for review.

[ujjwal-ibm]

@crw thanks for the reply, do share the feedback and review comments