Add INR currency support and Indian number formatting

[rsharma2be23-cloud]

Description

This pull request adds support for Indian Rupee (INR) formatting across the application.

Changes Made

• Added INR currency metadata and symbol support.
• Implemented Indian numbering format (e.g. 1,00,000 instead of 100,000).
• Updated currency formatting logic to apply Indian digit grouping when INR is selected.
• Preserved existing formatting behavior for all other currencies.

Related Issues

Closes #1454

Steps to Test

1. Open application settings.
2. Select INR as the currency.
3. Create or view invoices, quotes, and payments.
4. Verify amounts are displayed using Indian numbering format.
5. Confirm other currencies continue to display normally.

Screenshots

N/A

Checklist

• I have tested these changes
• I have updated the relevant documentation (if applicable)