Update index.md with powershell examples

[ramtejsudani6]

Included powershell examples in Documentation

[opbld30]

Docs Build status updates of commit 5d34722:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
docs-ref-conceptual/operationsmanager/index.md	:white_check_mark:Succeeded

For more details, please refer to the build report.

Note: Broken links written as relative paths are included in the above build report. For broken links written as absolute paths or external URLs, see the broken link report.

For any questions, please:

• Try searching the docs.microsoft.com contributor guides
• Post your question in the Docs support channel

[opbld32]

Docs Build status updates of commit 37a5045:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
docs-ref-conceptual/operationsmanager/index.md	:white_check_mark:Succeeded

For more details, please refer to the build report.

Note: Broken links written as relative paths are included in the above build report. For broken links written as absolute paths or external URLs, see the broken link report.

For any questions, please:

• Try searching the docs.microsoft.com contributor guides
• Post your question in the Docs support channel