fix: use characters api to render unicode

[thisissandipp]

Description

• fix: use characters api to render unicode characters

Fixes #11

Type of Pull Request

• 🐞 Bug fix (Non-breaking change which fixes issue)
• ✨ Feature (Non-breaking change which adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to change)
• 🛠️ Code refactoring (No code changes, no API changes)
• 🏗️ Build configuration change
• 📚 Documentation
• 🧹 Chore
• 💡 Other... Please describe

Pull Request Checklist

• 🚀 I have reviewed my own code and ensured it follows the project's coding standards.
• 🧪 I have added unit tests (if necessary) and they pass.
• 📚 I have updated documentation (if necessary).
• 🤖 I have provided clear and informative commit messages.

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (9145dac) to head (d2d51d7).

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Additional details and impacted files

@@            Coverage Diff            @@
##              main       #15   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            4         4           
  Lines          118       118           
=========================================
  Hits           118       118           

Flag	Coverage Δ
	100.00% <100.00%> (?)

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