Add numeral systems

From :

- [ ] Proto-cuneiform numerals
- [ ] Proto-Elamite numerals
- [ ] Sumerican numerals
- [ ] Egyptian numerals
- [ ] Elamite numerals
- [ ] Indus numerals
- [ ] Babylonian numerals
- [ ] Chinese numerals
- [ ] Japanese numerals
- [ ] Korean numerals (Sino-Korean)
- [ ] Vietnamese numerals (Sino-Vietnamese)
- [ ] Aegean numerals
- [x] Bengali numerals
- [ ] Roman numerals
- [ ] Hebrew numerals
- [ ] Indian numerals
- [ ] Tamil numerals
- [ ] Devanagari numerals
- [ ] Tibetan numerals
- [ ] Greek numerals
- [ ] Phoenician numerals
- [ ] Chinese rod numerals
- [ ] Ge'ez numerals
- [ ] Armenian numerals
- [ ] Khmer numerals
- [ ] Thai numerals
- [ ] Abjad numerals
- [x] Eastern Arabic numerals
- [x] Persian numerals
- [ ] Vietnamese numerals (Chữ Nôm)
- [x] Western Arabic numerals
- [ ] Glagolitic numerals
- [ ] Cyrillic numerals
- [x] Burmese numerals
- [ ] Tangut numerals
- [ ] Cistercian numerals
- [ ] Maya numerals
- [ ] Muisca numerals
- [ ] Korean numerals (Hangul)
- [ ] Aztec numerals
- [ ] Sinhala numerals
- [ ] Pentimal runes
- [ ] Kaktovik Inupiaq numerals