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_\*

Modules/lvgl-module/include/lvgl/fonts.h

@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: Apache-2.0
+#pragma once
+
+#include <lvgl.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum LvglFontSize {
+    FONT_SIZE_SMALL,
+    FONT_SIZE_DEFAULT,
+    FONT_SIZE_LARGE,
+};
+
+const lv_font_t* lvgl_get_shared_icon_font(void);
+uint32_t lvgl_get_shared_icon_font_height(void);
+
+const lv_font_t* lvgl_get_text_font(enum LvglFontSize font_size);
+uint32_t lvgl_get_text_font_height(enum LvglFontSize font_size);
+
+const lv_font_t* lvgl_get_launcher_icon_font(void);
+uint32_t lvgl_get_launcher_icon_font_height(void);
+
+const lv_font_t* lvgl_get_statusbar_icon_font(void);
+uint32_t lvgl_get_statusbar_icon_font_height(void);
+
+#ifdef __cplusplus
+}
+#endif