Adds direct link to quickstart

Davidian1024 · web-flow · commit b5901db12d59 · 2022-08-26T13:33:26.000-04:00
As a total newb to coqui-ai/stt and STT en general I was surprised that the quickstart wasn't easier to find.  I'm proposing adding this link so others will find it faster.
diff --git a/README.rst b/README.rst
@@ -34,6 +34,9 @@
 * Small-footprint acoustic model.
 * Bindings for various programming languages.
 
+`Quickstart <https://stt.readthedocs.io/en/latest/#quickstart>`_
+================================================================
+
 Where to Ask Questions
 ----------------------
 
