Advertise our Stack Overflow tag

README.md

@@ -31,6 +31,7 @@ Project
   * [Contributor Guidelines](http://docs.hylang.org/en/master/hacking.html#contributor-guidelines)
   * [Code of Conduct](http://docs.hylang.org/en/master/hacking.html#contributor-code-of-conduct)
 * IRC: Join #hy on [freenode](https://webchat.freenode.net/)
+* [Stack Overflow: The [hy] tag](https://stackoverflow.com/questions/tagged/hy)
 
 ![Cuddles the Hacker](https://i.imgur.com/QbPMXTN.png)
 

docs/index.rst

@@ -9,6 +9,7 @@ The Hy Manual
 :Source: https://github.com/hylang/hy
 :List: `hylang-discuss <https://groups.google.com/forum/#!forum/hylang-discuss>`_
 :IRC: irc://chat.freenode.net/hy
+:Stack Overflow: `The [hy] tag <https://stackoverflow.com/questions/tagged/hy>`_
 
 Hy is a Lisp dialect that's embedded in Python. Since Hy transforms its Lisp
 code into Python abstract syntax tree (AST) objects, you have the whole