Add appveyor.yml

Author: chambart

CHANGES.md

@@ -1,5 +1,3 @@
-0.1
-
-------------
+### 0.1 (2017-05-23)
 
 * Initial release

README.md

@@ -1,3 +1,5 @@
+## Nullable-array
+
 Nullable-array is a small self-contained library providing an efficient implementation for a type equivalent to `'a option array`
 
 ```OCaml
@@ -6,3 +8,6 @@ Nullable_array.set 1 (Some 4);
 assert(Nullable_array.get 0 = None);
 assert(Nullable_array.get 1 = Some 4);
 ```
+
+[![Build Status](https://travis-ci.org/chambart/ocaml-nullable-array.svg)](https://travis-ci.org/chambart/ocaml-nullable-array)
+

appveyor.yml

@@ -0,0 +1,17 @@
+platform:
+  - x86
+
+environment:
+  FORK_USER: ocaml
+  FORK_BRANCH: master
+  CYG_ROOT: C:\cygwin64
+  PACKAGE: nullable-array
+  TESTS: true
+  matrix:
+    - OPAM_SWITCH: 4.04.0+mingw64c
+
+install:
+  - ps: iex ((new-object net.webclient).DownloadString("https://raw.githubusercontent.com/$env:FORK_USER/ocaml-ci-scripts/$env:FORK_BRANCH/appveyor-install.ps1"))
+
+build_script:
+  - call %CYG_ROOT%\bin\bash.exe -l %APPVEYOR_BUILD_FOLDER%\appveyor-opam.sh