Merge pull request #8 from leqinotes/master

Modify README.md
Delete /bin and /obj directory

1. Delete /bin and /obj directory
2.  using .gitignore file to exclude /bin and /obj folder
Move some files in root folder to subfolder

Moved File List:
1. MainWindow.xaml
2. MainWindow.xaml.cs
Merge pull request #9 from leqinotes/dev

Code refactoring