Add topics : Typescript basics, type annotations, assertions

[Vanshika814]

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name: "📦 Pull Request"
about: Submit changes for review
title: "PR: Add topics : Typescript basics, type annotations, assertions"
labels: "GSSOC 2025, Level 3, Enhancement, Frontend, Hacktoberfest"
assignees: "vanshika814"

📌 Linked Issue

• Connected to Add topics: Typescript basics, typeAnnotations, Typeinterface #607

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🛠 Changes Made

Added: 5 comprehensive TypeScript Basics components covering the essential type system concepts:

• What is TypeScript - Understanding TypeScript vs JavaScript, core concepts, and when to use it
• Type Annotations - Variable, function, and object type annotations with best practices
• Basic Types - Primitive types (string, number, boolean), arrays, objects, and type literals
• Type Inference - How TypeScript automatically determines types and when to use explicit types
• Type Assertions - Type casting, assertions, and advanced type manipulation

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📝 Documentation Updates

• Updated README/docs
• Added code comments

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✅ Checklist

• Created a new branch for PR
• Have stared the repository
• Follows JavaScript Styleguide
• No console warnings/errors
• Commit messages follow Git Guidelines

💡 Additional Notes (If any)

[netlify]

👷 Deploy request for codifylearn pending review.

Visit the deploys page to approve it

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🔨 Latest commit	5f5c454

[github-actions]

Thanks for creating a PR for your Issue! ☺️

We'll review it as soon as possible.
In the meantime, please double-check the file changes and ensure that all commits are accurate.

If there are any unresolved review comments, feel free to resolve them. Thank you @Roshansuthar1105 🙌🏼

[Vanshika814]

please review this PR