Clean up "Data Types (MFC)" topic

[Rageking8]

• Remove huge amounts of superfluous spaces
• Replace br elements and simplify relative links
• Add backticks and links
• Add abbreviations and use them
• Update metadata

Best reviewed one commit at a time, since the combined diff on GitHub is a little confusing.

[prmerger-automator]

@Rageking8 : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

[learn-build-service-prod]

Learn Build status updates of commit ab95a76:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/mfc/reference/data-types-mfc.md	✅Succeeded

For more details, please refer to the build report.

[prmerger-automator]

PRMerger Results

Issue	Description
File Change Percent	This PR contains file(s) with more than 30% file change.

[v-regandowner]

@TylerMSFT - Can you review the proposed changes?

IMPORTANT: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged"
@MicrosoftDocs/public-repo-pr-review-team

[v-dirichards]

@TylerMSFT Could you review this proposed update to your article and enter #sign-off in a comment if it's ready to merge?

Thanks!

[TylerMSFT]

Maybe the original author was trying to create a sense of suspense before unveiling the link ;-) Kidding aside, thanks for fixing this and the other tidying.

[TylerMSFT]

#sign-off