Fix typos in readme.md
Fix typos in readme.md
AzureADSamples/NativeClient-DotNet,AzureADSamples/NativeClient-DotNet,AzureADSamples/NativeClient-DotNet,Azure-Samples/active-directory-dotnet-native-desktop,Azure-Samples/active-directory-dotnet-native-desktop,Azure-Samples/active-directory-dotnet-native-desktop