add Windows testing with Appveyor

Author: tbrowder

CHANGELOG.md

@@ -8,6 +8,7 @@
       `ip-ip2bin` (but modified for the new API and sub naming
       convention)
     + change module file suffix to `rakumod`
+    + add Windows testing with `appveyor.yml`
 
 # 2019-10-15
 - v1.1.0

appveyor.yml

@@ -0,0 +1,27 @@
+os: Visual Studio 2015
+
+platform: x64
+
+environment:
+        matrix:
+        - test_moar: '2017.10'
+        - test_moar: '' #latest
+
+install:
+  - '"C:\Program Files\Microsoft SDKs\Windows\v7.1\Bin\SetEnv.cmd" /x64'
+  - choco install strawberryperl --allow-empty-checksums
+  - SET PATH=C:\strawberry\c\bin;C:\strawberry\perl\site\bin;C:\strawberry\perl\bin;%PATH%
+  - git clone https://github.com/tadzik/rakudobrew %USERPROFILE%\rakudobrew
+  - SET PATH=%USERPROFILE%\rakudobrew\bin;%PATH%
+  - rakudobrew build moar %TEST_MOAR%
+  - rakudobrew build zef
+  - cd %APPVEYOR_BUILD_FOLDER%
+  - zef --depsonly install .
+
+build: off
+
+test_script:
+  - set AUTHOR_TESTING=1 && prove -ve "perl6 -I."
+  - zef install .
+
+shallow_clone: true