Add on DSA: Binary Trees

[W-ight]

• Description: In the dsa section i would like to add binary tree topics under Intermediate topics
• Use Case: There is already a beginner section which include basic dsa topic. Now for Intermediate section we could start with Binary tree.

I would like to start the work on Binary tree topic @ajay-dhangar , under gssoc24.

[github-actions]

Hi there! 👋 Thank you for opening your first issue on CodeHarborHub. We're excited to hear your thoughts and help you out. Please provide as much detail as you can so we can assist you effectively.

[ajay-dhangar]

Resources for Guidance

Here are some resources that may be helpful as you contribute to CodeHarborHub:

• https://www.codeharborhub.live/community/features
• Docusaurus Documentation
• Markdown Guide
• MDX Documentation
• Mermaid Documentation

Resources for DSA features on our site is supported

• Tabs: switch languages
• line-numbering
• Math Equations