Update Process Monitor and fix formatting

[lukekim]

No description provided.

[msftclas]

@lukekim,
Thanks for your contribution as a Microsoft full-time employee or intern. You do not need to sign a CLA.
Thanks,
Microsoft Pull Request Bot

[v-kents]

✅ Validation status: passed

File	Status	Preview URL	Details
sysinternals/downloads/procmon.md	✅Succeeded	View
sysinternals/index.md	✅Succeeded	View

For more details, please refer to the build report.

Note: If you changed an existing file name or deleted a file, broken links in other files to the deleted or renamed file are listed only in the full build report.

[v-kents]

Changes look fine to me.

If you click through to the articles, some of the images (the download icons) look broken, but this is a known issue as they're stored in another repo.

[v-kents]

✅ Validation status: passed

File	Status	Preview URL	Details
sysinternals/downloads/procmon.md	✅Succeeded	View
sysinternals/index.md	✅Succeeded	View

For more details, please refer to the build report.

Note: If you changed an existing file name or deleted a file, broken links in other files to the deleted or renamed file are listed only in the full build report.