Feature request: Add Number Formatting Options

[HuuBng]

Please add support for customizable number formatting to make large numbers and decimals more readable.

1. Decimal separator – Allow users to choose between:

• Period (.) – e.g., 0.25
• Comma (,) – e.g., 0,25

2. Thousands separator – Support common formatting styles:

• Comma (,) – e.g., 10,000.00
• Period (.) – e.g., 10.000,00
• Space – e.g., 10 000.25

3. Fraction length – Allow users to specify decimal places:

• With trailing zeros – e.g., 1,000.0
• Without trailing zeros – e.g., 1,000