Format code blocks in Dynamo to Cosmos guide

[89netraM]

I've formatted the code blocks in the Migrate your application from Amazon DynamoDB to Azure Cosmos DB article.

For C# I've tried to follow I've tried to follow common formatting patterns as best I can.

This doesn't change any actual content, but makes the guide easier on the eyes.

[learn-build-service-prod]

Learn Build status updates of commit 4239feb:

✅ Validation status: passed

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articles/cosmos-db/nosql/dynamo-to-cosmos.md	✅Succeeded

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[89netraM]

I'll reach out to my employeer about signing the CLA

[89netraM]

@microsoft-github-policy-service agree

[prmerger-automator]

@89netraM : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

[ttorble]

@manishmsfte

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

[Copilot]

Pull Request Overview

This PR improves the readability of the Migrate your application from Amazon DynamoDB to Azure Cosmos DB article by formatting code blocks with proper indentation, spacing, and style conventions.

• Standardized JSON formatting with proper quotes and consistent indentation
• Applied C# coding conventions including consistent spacing, naming, and method formatting
• Improved SQL query formatting for better readability

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[learn-build-service-prod]

Learn Build status updates of commit d5ad0f6:

✅ Validation status: passed

File	Status	Preview URL	Details
articles/cosmos-db/nosql/dynamo-to-cosmos.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.