message: add doc for fasttext
diff: @@ -20,6 +20,7 @@ This document explains how to use them.
  - [Boosting](#boosting)
  - [Neural Networks](#nnet)
  - [Naive Bayes](#naive)
  + - [Fast Text](#fasttext)
  - [Default configuration file](#defConf)
  - [Training Weighting](#trainWeight)
  @@ -132,6 +133,15 @@ all the values in two, using the threshold that provides the best separation
  of classes. You can always do you own discretization, for instance using a
  `CASE` expression.
  +<a name="fasttext"></a>
  +### FastText (type=fasttext)
  +
  +![](%%jmlclassifier fasttext)
  +
  +Note that our version of the Fast Text Classifier only supports feature counts, and currently
  +does not support regression.
  +
  +*See also* : [fastText on arXiv](https://arxiv.org/abs/1607.01759v2).
  <a name="defConf"></a>
  ## Default `configurationFile`
  