Add AppVeyor docs

Author: snoyberg

doc/appveyor.yml

@@ -0,0 +1,19 @@
+build: off
+
+before_test:
+# http://help.appveyor.com/discussions/problems/6312-curl-command-not-found
+- set PATH=C:\Program Files\Git\mingw64\bin;%PATH%
+
+- curl -sS -ostack.zip -L --insecure http://www.stackage.org/stack/windows-x86_64
+- 7z x stack.zip stack.exe
+
+clone_folder: "c:\\stack"
+environment:
+  global:
+    STACK_ROOT: "c:\\sr"
+
+test_script:
+- stack setup > nul
+# The ugly echo "" hack is to avoid complaints about 0 being an invalid file
+# descriptor
+- echo "" | stack --no-terminal test

doc/travis_ci.md

@@ -5,11 +5,11 @@ This page documents how to use Stack on
 familiarity with Travis. We provide two fully baked example files
 ready to be used on your projects:
 
-* [The simple Travis configuration](https://raw.githubusercontent.com/commercialhaskell/stack/master/doc/travis-simple.yml)
+* [The simple Travis configuration](https://raw.githubusercontent.com/commercialhaskell/stack/stable/doc/travis-simple.yml)
   is intended for applications that do not require multiple GHC
   support or cross-platform support. It builds and tests your project
   with just the settings present in your `stack.yaml` file.
-* [The complex Travis configuration](https://raw.githubusercontent.com/commercialhaskell/stack/master/doc/travis-complex.yml)
+* [The complex Travis configuration](https://raw.githubusercontent.com/commercialhaskell/stack/stable/doc/travis-complex.yml)
   is intended for projects that need to support multiple GHC versions
   and multiple OSes, such as open source libraries to be released to
   Hackage. It tests against cabal-install, as well as Stack on Linux
@@ -28,7 +28,9 @@ repo, enable Travis on the repo, and you're good to go.
 
 You may also be interested in using AppVeyor, which supports Windows
 builds, for more cross-platform testing. There's a
-[short blog post available on how to do this](http://www.snoyman.com/blog/2016/08/appveyor-haskell-windows-ci).
+[short blog post available on how to do this](http://www.snoyman.com/blog/2016/08/appveyor-haskell-windows-ci),
+or just copy in
+[the appveyor.yml file](https://raw.githubusercontent.com/commercialhaskell/stack/stable/doc/appveyor.yml)
 
 The rest of this document explains the details of common Travis
 configurations for those of you who want to tweak the above