[FL-1549] Gui Widget module (#598)

* gui_widget: rework with mlib container
* widget: rename gui_widget-> widget; gui_element->widget_element
* gui: move widget from nfc to gui/modules
* nfc: rework widget usage
* nfc: return to ReadEmvAppSuccess scene after ReadEmvDataSuccess exit

Co-authored-by: あく <alleteam@gmail.com>

applications/gui/modules/widget.h

@@ -0,0 +1,66 @@
+#pragma once
+#include "widget_elements/widget_element_i.h"
+
+typedef struct Widget Widget;
+typedef struct WidgetElement WidgetElement;
+
+/** Allocate Widget that holds Widget Elements
+ * @return Widget instance
+ */
+Widget* widget_alloc();
+
+/** Free Widget
+ * @note this function free allocated Widget Elements
+ * @param widget Widget instance
+ */
+void widget_free(Widget* widget);
+
+/** Clear Widget
+ * @param widget Widget instance
+ */
+void widget_clear(Widget* widget);
+
+/** Get Widget view
+ * @param widget Widget instance
+ * @return View instance
+ */
+View* widget_get_view(Widget* widget);
+
+/** Add String Element
+ * @param widget Widget instance
+ * @param x - x coordinate
+ * @param y - y coordinate
+ * @param horizontal - Align instance
+ * @param vertical - Align instance
+ * @param font Font instance
+ */
+void widget_add_string_element(
+    Widget* widget,
+    uint8_t x,
+    uint8_t y,
+    Align horizontal,
+    Align vertical,
+    Font font,
+    const char* text);
+
+/** Add Button Element
+ * @param widget Widget instance
+ * @param button_type GuiButtonType instance
+ * @param text text on allocated button
+ * @param callback ButtonCallback instance
+ * @param context pointer to context
+ */
+void widget_add_button_element(
+    Widget* widget,
+    GuiButtonType button_type,
+    const char* text,
+    ButtonCallback callback,
+    void* context);
+
+/** Add Icon Element
+ * @param widget Widget instance
+ * @param x - x coordinate
+ * @param y - y coordinate
+ * @param icon Icon instance
+ */
+void widget_add_icon_element(Widget* widget, uint8_t x, uint8_t y, const Icon* icon);