Add Input functionality to Ultra

- Add point InSpace check to PD::Li::Math
- Add Universal AlignmentCenter flag for Horizontal and and Vertical Alignment
-  Add Fallbackfont to Layout (if you dont want to set font per object)
- Add Button Object WIP
- Rename OnHover to OnFocus and add OnUnfocus
- Move font and FontScale to ElementBase (for fallback logic etc)
- Add UpdateInput func to ElementBase
- Corectly Set fontScale in Text Rendering
- Update ecample

include/pd/ultra/elems/text.hpp

@@ -15,14 +15,10 @@ class PD_API Text : public ElementBase {
 
   void SetColor(const PD::Color& color) { pColor = color; }
   void SetText(const std::string& text) { pText = text; }
-  void SetFont(PD::Li::Font& font) { pFont = &font; }
-  void SetScale(float scale) { pScale = scale; }
 
  private:
   PD::Color pColor;
-  float pScale = 1.f;
   std::string pText;
-  PD::Li::Font* pFont = nullptr;
 };
 }  // namespace Ultra