Migrate TactilityC and LVGL functionality (#588)

lvgl-module

- Move and rename source and include files
- Fix bug with missing lvgl unlock
- New widgets: spinner, toolbar, sliderbox

TactilityC

- Removed tt_lock, tt_lvgl_\*

Tactility/Source/app/gpssettings/GpsSettings.cpp

@@ -1,5 +1,5 @@
+#include <lvgl/icons/shared.h>
 #include <lvgl/lvgl.h>
-#include <lvgl/lvgl_icon_shared.h>
 
 #include <Tactility/Tactility.h>
 #include <Tactility/Timer.h>
@@ -223,7 +223,7 @@ public:
         uint8_t margin = (lvgl_get_ui_density() == LVGL_UI_DENSITY_COMPACT) ? 2 : 8;
 
         auto* toolbar = lvgl::toolbar_create(parent, app);
-        lvgl::toolbar_add_text_button_action(toolbar, LV_SYMBOL_PLUS, onAddGpsCallback, this);
+        lvgl_toolbar_add_text_button_action(toolbar, LV_SYMBOL_PLUS, onAddGpsCallback, this);
         lv_obj_set_style_margin_bottom(toolbar, margin, LV_STATE_DEFAULT);
 
         deviceListWrapper = lv_obj_create(parent);