Add South Asia fonts

** Work in progress **
Follow up to #358
See the [Unicode Font Guide](http://www.unifont.org/fontguide/) for what I am considering S.E. Asia.

* [ ] Devanagari (India, Nepal)
* [x] Bengali (Bangladesh)
* [ ] Gujarati (India)
* [ ] Gurmukhi (India, Pakistan)
* [ ] Kannada (India)
* [ ] Oriya (India)
* [ ] Sinhala (Sri Lanka)
* [ ] Tamil (India, Sri Lanka, Singapore)
* [ ] Tibetan (China)
* [ ] Urdu (Pakistan)

There are additional scripts in the region, but I believe them not likely present in name tags. If I'm missing one, I'd like to know.