Function subscript

subscript(str: string): string
Converts regular numbers in a string to subscript Unicode characters.
Parameters
- str: string
  The string containing numbers to convert to subscripts
Returns string
The string with numbers converted to subscript characters
Example
```
subscript("H2O") // Returns "H₂O"
subscript("CO2") // Returns "CO₂"
```
- Defined in src/helpers/science.ts:18

src