Exclude files from published package

Resolves #144

appveyor.yml

@@ -43,8 +43,13 @@ deploy_script:
           $uploadUri = $result | Select-Object -ExpandProperty upload_url
           $uploadUri = $uploadUri -creplace '\{\?name,label\}'  #, '?name=oh-my-posh.zip'
           $uploadUri = $uploadUri + '?name=oh-my-posh.zip'
+          $distFolder = Join-Path $env:APPVEYOR_BUILD_FOLDER dist
+          mkdir $distFolder | Out-Null
+          $excludedFiles = @(".*", "Build", "appveyor.yml", "TestsResults.xml", "dist")
+          $distFiles = Get-ChildItem $env:APPVEYOR_BUILD_FOLDER -Exclude $excludedFiles
+          $distFiles | Copy-Item -Destination $distFolder -Recurse
           Add-Type -assembly "system.io.compression.filesystem"
-          [io.compression.zipfile]::CreateFromDirectory($env:APPVEYOR_BUILD_FOLDER, "$HOME\Desktop\oh-my-posh.zip")
+          [io.compression.zipfile]::CreateFromDirectory($distFolder, "$HOME\Desktop\oh-my-posh.zip")
           $uploadParams = @{
               Uri         = $uploadUri
               Method      = 'POST'