H4I Milestone 1 implementation

[suesuee]

Developer: Sue Sue

Closes #1

Pull Request Summary

I've implemented milestone 1 based on the guides on Notion. I've added two blog entries in my blog page and implemented typescript to define a Blog type and manage the blog data.

Pull Request Readiness Checklist

• Code is neat, readable, and works
• Comments are appropriate
• The commit messages follows our guidelines
• The developer name is specified
• The summary is completed
• Ask for a review in communication channels

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🔎 Detected hardcoded secret in your pull request

GitGuardian id	GitGuardian status	Secret	Commit	Filename
-	-	MongoDB Credentials	8de5850	.env	View secret

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