feat: decode option for getRouterParam

[HigherOrderLogic]

🔗 Linked issue

Closes #547.

❓ Type of change

• 📖 Documentation (updates to the documentation, readme, or JSdoc annotations)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

Adding the decode option for getRouterParam and getRouterParams.

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

[codecov]

Codecov Report

Attention: 6 lines in your changes are missing coverage. Please review.

Comparison is base (fa26af5) 84.07% compared to head (43f9c26) 84.02%.

❗ Current head 43f9c26 differs from pull request most recent head 52a7d02. Consider uploading reports for the commit 52a7d02 to get more accurate results

Files	Patch %	Lines
src/utils/request.ts	66.66%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #556      +/-   ##
==========================================
- Coverage   84.07%   84.02%   -0.06%     
==========================================
  Files          31       31              
  Lines        3667     3680      +13     
  Branches      544      548       +4     
==========================================
+ Hits         3083     3092       +9     
- Misses        584      588       +4     

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[pi0]

Thanks ❤️