Text Index. Make MIN_WORD_PREFIX_SIZE configurable.

[aindlq]

Default value of MIN_WORD_PREFIX_SIZE is 4, which can be a bit too high for some searches. Is it possible to make it configurable? Would it work if I just change it to 3? It says here https://github.com/ad-freiburg/qlever/blob/14d6e1cc26b53f2ff563e98fcee57135df3537bb/src/index/IndexImpl.Text.cpp#L482:

If you need this to be changed, please contact the developers