Update batch operation docs

[KenitoInc]

• [X] Update sample codes
• [X] Add Json Batch

[opbld32]

Docs Build status updates of commit 8dd1457:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
Odata-docs/TOC.yml	:white_check_mark:Succeeded	View
Odata-docs/client/v7/batch-operations.md	:white_check_mark:Succeeded	View

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[opbld30]

Docs Build status updates of commit 64a1763:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
Odata-docs/TOC.yml	:white_check_mark:Succeeded	View
Odata-docs/client/v7/batch-operations.md	:white_check_mark:Succeeded	View

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[opbld32]

Docs Build status updates of commit 9ba7967:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
Odata-docs/TOC.yml	:white_check_mark:Succeeded	View
Odata-docs/client/v7/batch-operations.md	:white_check_mark:Succeeded	View

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[opbld32]

Docs Build status updates of commit ab6479f:

:clock10: Pending: waiting for processors (8 builds ahead of you)

:warning: Docs Build is busy, currently there are 8 builds ahead of this one, for more information you can view the Build queue graph on the Docs Portal.

[opbld30]

Docs Build status updates of commit ab6479f:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
Odata-docs/TOC.yml	:white_check_mark:Succeeded	View
Odata-docs/client/v7/batch-operations.md	:white_check_mark:Succeeded	View

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[opbld32]

Docs Build status updates of commit cf05a87:

:clock10: Pending: waiting for processors (7 builds ahead of you)

:warning: Docs Build is busy, currently there are 7 builds ahead of this one, for more information you can view the Build queue graph on the Docs Portal.

[opbld31]

Docs Build status updates of commit cf05a87:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
Odata-docs/TOC.yml	:white_check_mark:Succeeded	View
Odata-docs/client/v7/batch-operations.md	:white_check_mark:Succeeded	View

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:

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