Fix link text for Microsoft Store App Developer Agreement

[mikehoffms]

Rendered article sections for review:

• Register as a Microsoft Edge extension developer > Enroll in the Microsoft Edge program on Partner Center
  • https://review.learn.microsoft.com/microsoft-edge/extensions-chromium/publish/create-dev-account?branch=pr-en-us-3255#enroll-in-the-microsoft-edge-program-on-partner-center
  • Before/Live
• Publish a Microsoft Edge extension > Step 4: Select Properties for your extension
  • https://review.learn.microsoft.com/microsoft-edge/extensions-chromium/publish/publish-extension?branch=pr-en-us-3255#step-4-select-properties-for-your-extension
  • Before/Live
• App Developer Agreement Addendum for Microsoft Edge program users > Exhibit G: Terms and Conditions for Microsoft Edge Extensions
  • https://review.learn.microsoft.com/microsoft-edge/extensions-chromium/store-policies/ada-addendum?branch=pr-en-us-3255#exhibit-g-terms-and-conditions-for-microsoft-edge-extensions
  • Before/Live
  • Updated link text & url.
  • Normalized sentence that shows a fwlink as link text.
  • Removed item about declining Business|Education stores, bc removed from Agreement.
• Developer policies for the Microsoft Edge Add-ons store > 1.10.2 Policies and agreements
  • https://review.learn.microsoft.com/microsoft-edge/extensions-chromium/store-policies/developer-policies?branch=pr-en-us-3255#1102-policies-and-agreements
  • Before/Live

To test old link (to see url & title that it gets redirected to), either:

• Navigate to the page in the live article in a new window
  https://learn.microsoft.com/microsoft-edge/extensions-chromium/publish/publish-extension#step-4-select-properties-for-your-extension
  and then click the link "Microsoft Edge Developer Agreement", and view the resulting url & title.
• Prepend the domain to the path as follows: per Files Changed / Markdown, the old link is tagged as:
  /legal/windows/agreements/app-developer-agreement
  Prepend the domain, giving:
  https://learn.microsoft.com/legal/windows/agreements/app-developer-agreement
  and view the resulting url & title.

The fwklink url that's used in this PR is copied from elsewhere in this repo; from:

AB#53506370

[learn-build-service-prod]

Learn Build status updates of commit 46f224b:

✅ Validation status: passed

File	Status	Preview URL	Details
microsoft-edge/extensions-chromium/publish/create-dev-account.md	✅Succeeded	View
microsoft-edge/extensions-chromium/publish/publish-extension.md	✅Succeeded	View
microsoft-edge/extensions-chromium/store-policies/ada-addendum.md	✅Succeeded	View
microsoft-edge/extensions-chromium/store-policies/developer-policies.md	✅Succeeded	View

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• Try searching the learn.microsoft.com contributor guides
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[learn-build-service-prod]

Learn Build status updates of commit 02a781b:

✅ Validation status: passed

File	Status	Preview URL	Details
microsoft-edge/extensions-chromium/publish/create-dev-account.md	✅Succeeded	View
microsoft-edge/extensions-chromium/publish/publish-extension.md	✅Succeeded	View
microsoft-edge/extensions-chromium/store-policies/ada-addendum.md	✅Succeeded	View
microsoft-edge/extensions-chromium/store-policies/developer-policies.md	✅Succeeded	View

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[bhuvanapriyap]

approved

[learn-build-service-prod]

Learn Build status updates of commit 84c5ec5:

✅ Validation status: passed

File	Status	Preview URL	Details
microsoft-edge/extensions-chromium/publish/create-dev-account.md	✅Succeeded	View
microsoft-edge/extensions-chromium/publish/publish-extension.md	✅Succeeded	View
microsoft-edge/extensions-chromium/store-policies/ada-addendum.md	✅Succeeded	View
microsoft-edge/extensions-chromium/store-policies/developer-policies.md	✅Succeeded	View

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[learn-build-service-prod]

Learn Build status updates of commit a4f680a:

✅ Validation status: passed

File	Status	Preview URL	Details
microsoft-edge/extensions-chromium/publish/create-dev-account.md	✅Succeeded	View
microsoft-edge/extensions-chromium/publish/publish-extension.md	✅Succeeded	View
microsoft-edge/extensions-chromium/store-policies/ada-addendum.md	✅Succeeded	View
microsoft-edge/extensions-chromium/store-policies/developer-policies.md	✅Succeeded	View

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[mikehoffms]

This PR (created by me) LGTM. Approved per Writer/Editor review, after making changes.

[learn-build-service-prod]

Learn Build status updates of commit a1f9d4d:

✅ Validation status: passed

File	Status	Preview URL	Details
microsoft-edge/extensions-chromium/publish/create-dev-account.md	✅Succeeded	View
microsoft-edge/extensions-chromium/publish/publish-extension.md	✅Succeeded	View
microsoft-edge/extensions-chromium/store-policies/ada-addendum.md	✅Succeeded	View
microsoft-edge/extensions-chromium/store-policies/developer-policies.md	✅Succeeded	View

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
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