(#142) Adding appveyor.yml
(#142) Adding appveyor.yml

- Using template appveyor.yml from gep13.io repo, created new appveyor.yml file
- Simply calling build.bat, passing in PackageSolution as action to execute

chocolatey/ChocolateyGUI,alephnaughty/ChocolateyGUI,paladique/ChocolateyGUI,gep13/ChocolateyGUI,chocolatey/ChocolateyGUI,gep13/ChocolateyGUI,chocolatey/ChocolateyGUI,RichiCoder1/ChocolateyGUI,M-Zuber/ChocolateyGUI,gep13/ChocolateyGUI,wjk/ChocolateyGUI,dlsteuer/ChocolateyGUI,digital-carver/ChocolateyGUI,chocolatey/ChocolateyGUI,chocolatey/ChocolateyGUI,sayedihashimi/ChocolateyGUI,paladique/ChocolateyGUI,gep13/ChocolateyGUI,gep13/ChocolateyGUI