Add labyrinth model class
Modify Readme
Additional files
Delete Mainwindow class
Delete dummy field file
Delete unnecessary cache file
Add field files
Make FieldType public, add seperate file
Add LButton class
Add LabyrinthView class
Add gitignore and gitattributes
Delete binaries
Modify gitignore
LabyrinthModel: Fixes and func. implementations

* Fix current position, FieldType usage
* Implement CheckGame, StepGame
Switch Mainwindow to LabyrinthView
Update project files
Updated field files
LabyrinthModel: Add timer, related events & pause
LabyrinthView: Add pause function
Update solution file