[FL-3947] Pinning of settings options (#4077)

* feat: pinning settings in favorites

* include archive in unit tests fw

* change settings icon

* update text with suggestions from the ui team

* Small touch of constness

---------

Co-authored-by: あく <alleteam@gmail.com>
Co-authored-by: hedger <hedger@users.noreply.github.com>
Co-authored-by: hedger <hedger@nanode.su>

lib/toolbox/settings_helpers/submenu_based.h

@@ -0,0 +1,89 @@
+#include <gui/modules/submenu.h>
+#include <gui/view_dispatcher.h>
+#include <gui/scene_manager.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef void (*SubmenuSettingsHelpherCallback)(void* context, uint32_t index);
+
+typedef struct {
+    const char* name;
+    uint32_t scene_id;
+} SubmenuSettingsHelperOption;
+
+typedef struct {
+    const char* app_name;
+    size_t options_cnt;
+    SubmenuSettingsHelperOption options[];
+} SubmenuSettingsHelperDescriptor;
+
+typedef struct SubmenuSettingsHelper SubmenuSettingsHelper;
+
+/**
+ * @brief Allocates a submenu-based settings helper
+ * @param descriptor settings descriptor
+ */
+SubmenuSettingsHelper*
+    submenu_settings_helpers_alloc(const SubmenuSettingsHelperDescriptor* descriptor);
+
+/**
+ * @brief Assigns dynamic objects to the submenu-based settings helper
+ * @param helper          helper object
+ * @param view_dispatcher ViewDispatcher
+ * @param scene_manager   SceneManager
+ * @param submenu         Submenu
+ * @param submenu_view_id Submenu view id in the ViewDispatcher
+ * @param main_scene_id   Main scene id in the SceneManager
+ */
+void submenu_settings_helpers_assign_objects(
+    SubmenuSettingsHelper* helper,
+    ViewDispatcher* view_dispatcher,
+    SceneManager* scene_manager,
+    Submenu* submenu,
+    uint32_t submenu_view_id,
+    uint32_t main_scene_id);
+
+/**
+ * @brief Frees a submenu-based settings helper
+ * @param helper helper object
+ */
+void submenu_settings_helpers_free(SubmenuSettingsHelper* helper);
+
+/**
+ * @brief App start callback for the submenu-based settings helper
+ * 
+ * If an argument containing one of the options was provided, launches the
+ * corresponding scene.
+ * 
+ * @param helper helper object
+ * @param arg app argument, may be NULL
+ * @returns true if a setting name was provided in the argument, false if normal
+ *          app operation shall commence
+ */
+bool submenu_settings_helpers_app_start(SubmenuSettingsHelper* helper, void* arg);
+
+/**
+ * @brief Main scene enter callback for the submenu-based settings helper
+ * @param helper helper object
+ */
+void submenu_settings_helpers_scene_enter(SubmenuSettingsHelper* helper);
+
+/**
+ * @brief Main scene event callback for the submenu-based settings helper
+ * @param helper helper object
+ * @param event  event data
+ * @returns true if the event was consumed, false otherwise
+ */
+bool submenu_settings_helpers_scene_event(SubmenuSettingsHelper* helper, SceneManagerEvent event);
+
+/**
+ * @brief Main scene exit callback for the submenu-based settings helper
+ * @param helper helper object
+ */
+void submenu_settings_helpers_scene_exit(SubmenuSettingsHelper* helper);
+
+#ifdef __cplusplus
+}
+#endif