Update CreatingClientInstance.md

[icyfire0573]

MSAL file doesn't exist; linked to MSAL-Browser

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Summary

MSAL file doesn't exist; linked to MSAL-Browser

Motivation

fix broken link

Test plan

link works now on my repo

Closing issues

Types of changes

fix broken link (bug in docs)

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I have read the CONTRIBUTING document.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

[sebastienlevert]

Thanks for the contribution @icyfire0573! We'll be having a look to merge these docs!

@koros

[sebastienlevert]

Thanks for the contribution @icyfire0573! We'll be having a look to merge these docs!

@koros