DEN-1437 : Implementation
- TextRect : is actually a rectangle with title/ lable / extra lable whcih is going to be used in the Treatment screen (Blood/Dialysate Flows).
- TextArea : is a contaoner Rectangle with title. which is used in Treatment an contains TextTecs(s).
- BackgroundRect : is a simple rectangle which is used for a background rect to have colors and borders.
- Added required common constant values for Colors and Fonts and Values.