Adding AppVeyor config

appveyor.yml

@@ -0,0 +1,41 @@
+version: 0.1.0.{build}
+branches:
+  only:
+  - master
+skip_tags: true
+skip_commits:
+  message: /\[NAB\]/
+configuration: Release
+platform: x64
+assembly_info:
+  patch: true
+  file: '**\AssemblyInfo.*'
+  assembly_version: '{version}'
+  assembly_file_version: '{version}'
+  assembly_informational_version: '{version}'
+dotnet_csproj:
+  patch: true
+  file: '**\*.csproj'
+  version: '{version}'
+  version_prefix: '{version}'
+  package_version: '{version}'
+  assembly_version: '{version}'
+  file_version: '{version}'
+  informational_version: '{version}'
+build_script:
+- cmd: >-
+    dotnet publish "%APPVEYOR_BUILD_FOLDER%\GDStoSVG\GDStoSVG.csproj" --output "%APPVEYOR_BUILD_FOLDER%\GDStoSVG\PublishResult" --configuration Release --verbosity minimal
+
+
+    7z a GDStoSVG-autobuild-v%appveyor_build_version%.zip %APPVEYOR_BUILD_FOLDER%\GDStoSVG\PublishResult\*
+artifacts:
+- path: GDStoSVG-autobuild-v*.zip
+deploy:
+- provider: GitHub
+  tag: auto-v$(appveyor_build_version)
+  release: Automatic Build v$(appveyor_build_version)
+  description: This is an automatic build of the latest commits. Usage is at your own risk.
+  auth_token:
+    secure: GVyDvu1oRIFcaipBySErsm8tNaX/dFtqemRShlOkPOaVKCOOHuI2k/8p46FY87F8
+  artifact: GDStoSVG-autobuild-v$(appveyor_build_version).zip
+  prerelease: true