Added code sample folders and files
Added code sample folders and files. From CSharp book
Updated HelloWorld example.
changed HelloWorld.sln project to test pushing to origin
did the examples of Chapter 4 from codeSamples.
Merge branch 'codeSamples' of github.com:asavv/CsharpAttemtps into codeSamples

Conflicts:
	codeSamples/Chapter 4/Selection/Selection/MainWindow.xaml.cs
	codeSamples/Chapter 4/SwitchStatement/SwitchStatement/MainWindow.xaml.cs

Has Chapter 4 solved.
Solved Chapter5 problems.
Merge branch 'codeSamples'