Tabular numbers and slashed zero alternative
Changes:
- Add support for tabular numbers(numbers taking equal horizontal space) to use in spreadsheets and contexts where you need to compare numbers.
- Add slashed zero alternative
- Add tests for tabular numbers.
- Update build dependencies
- Add glyphs for ണ്ട്രു, ണ്ട്രൂ, ക്ട, പ്ട