* adding Clipping support to the displaybuffer
- add rect structure
* removed unused define
* add missing property for storing the clipped areas
* include log header
* Move Rect method's code to cpp file
- removed obsolete remarks
* fixed reported issues
* make Rect class methods public
* clang fix
* Remove commented code
* Renaming clipping methods
* Multiple changes:
- replaced 32766 with VALUE_NO_SET
- fixed the way *_clipping(left, top, right, bottom) is stored
- add `is_clipping();`
- make sure that all clipped region are closed after `do_update_()`
- rename de parameters for `Rect::expand();`
* remove unneeded space
* replace define with static const uint8_t
* correcting my copy paste mistake
---------
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>