Added appveyor config

LICENSE

@@ -1,4 +1,4 @@
-Copyright (C) 2016 David Lindecrantz
+Copyright (C) 2020 David Lindecrantz
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

appveyor.yml

@@ -0,0 +1,40 @@
+version: 1.{build}-{branch}
+branches:
+  only:
+  - master
+skip_non_tags: true
+
+image: Visual Studio 2019
+before_build:
+  - ps: >-
+      if ($env:APPVEYOR_REPO_TAG -eq "true")
+
+      {
+
+        Update-AppveyorBuild -Version "$env:APPVEYOR_REPO_TAG_NAME"
+
+      }
+
+      else
+
+      {
+
+        Update-AppveyorBuild -Version "dev-$($env:APPVEYOR_REPO_COMMIT.substring(0,7))"
+
+      }
+
+build_script:
+  - cmd: >-
+      mkdir build-win_x64
+
+      cd build-win_x64
+
+      cmake -DCMAKE_GENERATOR_PLATFORM=x64 ..
+
+      cd ..
+
+      cmake --build build-win_x64 --config Release
+
+artifacts:
+- path: build-win_x64\Release
+  name: SuperFamicheck-win_x64