message: Add link to wiki on README
diff: @@ -124,6 +124,10 @@ without running many computations. As a result, there's a large memory overhead.
  For example, a full index of Chrome will take about 10gb of memory. If you
  exclude v8, webkit, and third_party, it goes down to about 6.5gb.
  +# Wiki
  +
  +There are some additional tips on the [wiki](https://github.com/jacobdufault/cquery/wiki).
  +
  # Chromium tips
  Chromium is a very large codebase, so cquery benefits from a bit of tuning.
  