chore: add windows build based on rAapprVveyor

fix gravitee-io/issues#848

appveyor.yml

@@ -0,0 +1,37 @@
+#
+# Copyright (C) 2015 The Gravitee team (http://gravitee.io)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+version: '{build}'
+install:
+  - ps: |
+      Add-Type -AssemblyName System.IO.Compression.FileSystem
+      if (!(Test-Path -Path "C:\maven" )) {
+        (new-object System.Net.WebClient).DownloadFile(
+          'http://www.apache.org/dist/maven/maven-3/3.5.2/binaries/apache-maven-3.5.2-bin.zip',
+          'C:\maven-bin.zip'
+        )
+        [System.IO.Compression.ZipFile]::ExtractToDirectory("C:\maven-bin.zip", "C:\maven")
+      }
+  - cmd: SET PATH=C:\maven\apache-maven-3.5.2\bin;%JAVA_HOME%\bin;%PATH%
+  - cmd: SET MAVEN_OPTS=-XX:MaxPermSize=2g -Xmx4g
+  - cmd: SET JAVA_OPTS=-XX:MaxPermSize=2g -Xmx4g
+build_script:
+  - mvn clean package --batch-mode -DskipTest
+test_script:
+  - mvn clean verify --batch-mode
+cache:
+  - C:\maven\
+  - C:\Users\appveyor\.m2