Qt implementation - v1.0

[PedroCorcaque]

v1.0

• [x] Display registered classes and colors
• [x] Create Qt Application
• [x] Text input box to set a label to entity
• [x] Choose the output filename
• [x] Random color for registered classes
• [x] show class name on top left corner
• [x] check app crashes
• [x] warning when no load config file
• [x] filter classes on user input
• [x] sidebar with entities
• [x] annotation from sidebar
• [ ] set entity color based in the class
• [ ] save with the original colors of the model