message: issue/71 Added list of supported OSes
diff: It is strongly inspired by Lucene's design.
  +
  # Features
  - configurable indexing (optional term frequency and position indexing)
  @@ -19,11 +20,13 @@ It is strongly inspired by Lucene's design.
  - Incremental indexing
  - Multithreaded indexing (indexing English Wikipedia takes 4 minutes on my desktop)
  - mmap based
  -- optional SIMD integer cobeaconbeaconmpression
  +- optional SIMD integer compression
  - u32 fast fields (equivalent of doc values in Lucene)
  - LZ4 compressed document store
  - Cheesy logo with a horse
  +Tantivy supports Linux and MacOS. Windows is not supported.
  +
  # Getting started
  - [tantivy's usage example](http://fulmicoton.com/tantivy-examples/simple_search.html)
  