[FL-2230] SubGhz: protocol API refactoring (#969)

* SubGhz: protocols library refactoring
* SubGhz: new architecture and refactoring
* SubGhz: simplify protocol structure, remove unused types
* SubGhz: rename Subghz to SubGhz
* SubGhz: add environment concept

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
Co-authored-by: DrZlo13 <who.just.the.doctor@gmail.com>

applications/subghz/views/receiver.h

@@ -0,0 +1,36 @@
+#pragma once
+
+#include <gui/view.h>
+#include "../helpers/subghz_custom_event.h"
+
+typedef struct SubGhzViewReceiver SubGhzViewReceiver;
+
+typedef void (*SubGhzViewReceiverCallback)(SubGhzCustomEvent event, void* context);
+
+void subghz_view_receiver_set_callback(
+    SubGhzViewReceiver* subghz_receiver,
+    SubGhzViewReceiverCallback callback,
+    void* context);
+
+SubGhzViewReceiver* subghz_view_receiver_alloc();
+
+void subghz_view_receiver_free(SubGhzViewReceiver* subghz_receiver);
+
+View* subghz_view_receiver_get_view(SubGhzViewReceiver* subghz_receiver);
+
+void subghz_view_receiver_add_data_statusbar(
+    SubGhzViewReceiver* subghz_receiver,
+    const char* frequency_str,
+    const char* preset_str,
+    const char* history_stat_str);
+
+void subghz_view_receiver_add_item_to_menu(
+    SubGhzViewReceiver* subghz_receiver,
+    const char* name,
+    uint8_t type);
+
+uint16_t subghz_view_receiver_get_idx_menu(SubGhzViewReceiver* subghz_receiver);
+
+void subghz_view_receiver_set_idx_menu(SubGhzViewReceiver* subghz_receiver, uint16_t idx);
+
+void subghz_view_receiver_exit(void* context);