feat: add math formula (LaTeX) and table comparison support (#158)

[harika880]

Changes Made

✅ Math Formula Support (LaTeX)

• Integrated @tiptap/extension-mathematics with KaTeX
• Users can now write $$E = mc^2$$ and it renders as a beautiful math formula

✅ Table Comparison Support

• Integrated @tiptap/extension-table extensions
• Users can now create structured comparison tables in their notes

Type of change

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

• Tested math formula rendering using $$E = mc^2$$ in the note editor
• Tested table rendering using markdown table syntax in the note editor
• Both features render correctly in the browser

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• My changes generate no new warnings

Screenshots

Closes #158

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[HarshYadav152]

@harika880 Do these changes .

1. Add a math view view switcher like one used for markdown preview so user can preview maths formulas.

Keep you branch updated with main.

[harika880]

Hi @HarshYadav152 ,

Thanks for the review! I'll add the math view/preview switcher and sync my branch with main.

Will push the updates soon!

[harika880]

Hi @HarshYadav152 , I have added the math preview switcher similar to markdown preview and synced the branch with main. Please review!