Update QuickStart to have consistent code examples

[MongoCaleb]

Pull Request Info

Jira

https://jira.mongodb.org/browse/DOCSP-30792

Staged Changes

https://docs-mongodbcom-staging.corp.mongodb.com/realm/docsworker-xlarge/docsp-30792/sdk/dotnet/quick-start/
https://docs-mongodbcom-staging.corp.mongodb.com/realm/docsworker-xlarge/docsp-30792/sdk/dotnet/crud/create/

[github-actions]

Readability for Commit Hash: 72acca0

You can see any previous Readability scores (if they exist) by looking
at the comment's history.

Readability scores for changed documents:

• source/sdk/dotnet/quick-start: Grade Level: 9.2, Reading Ease: 56.15
• source/sdk/dotnet/model-data/define-object-model: Grade Level: 9.7, Reading Ease: 54.73
• source/sdk/dotnet/crud/create: Grade Level: 7.7, Reading Ease: 65.42

For Grade Level, aim for 8 or below.

For Reading Ease scores, aim for 60 or above:

Score	Difficulty
90-100	Very Easy
80-89	Easy
70-79	Fairly Easy
60-69	Medium
50-59	Fairly Hard
30-49	Hard
0-29	Very Hard

For help improving readability, try Hemingway App.

[lindseymoore]

Copy review, LGTM w/ one small nit!

[docs-builder-bot]

✨ Staging URL: https://docs-mongodborg-staging.corp.mongodb.com/realm/docsworker-xlarge/master/

🪵 Logs

• job log: 72c4cb6e9835fc74fed45d73316de5d6ed9ebf79