(GH-30) Add standard AppVeyor config file

.appveyor.yml

@@ -0,0 +1,50 @@
+#---------------------------------#
+#  Build Image                    #
+#---------------------------------#
+image: Visual Studio 2017
+
+#---------------------------------#
+#  Build Script                   #
+#---------------------------------#
+build_script:
+  - ps: .\build.ps1 -Target AppVeyor
+
+#---------------------------------#
+# Tests
+#---------------------------------#
+test: off
+
+#---------------------------------#
+#  Pull Requests                  #
+#---------------------------------#
+pull_requests:
+  do_not_increment_build_number: true
+
+#---------------------------------#
+#  General                        #
+#---------------------------------#
+skip_branch_with_pr: true
+
+#---------------------------------#
+#        Branches to build        #
+#---------------------------------#
+branches:
+  # Whitelist
+  only:
+    - develop
+    - master
+    - /release/.*/
+    - /hotfix/.*/
+
+#---------------------------------#
+#  Build Cache                    #
+#---------------------------------#
+cache:
+- tools -> recipe.cake, tools/packages.config
+
+#---------------------------------#
+#  Skip builds for doc changes    #
+#---------------------------------#
+skip_commits:
+  # Regex for matching commit message
+  message: /\(doc\).*/