[FL-3099] SubGhz: add protocol KingGates Stylo4k (#2368)

* [FL-3099] SubGhz: add protocol KingGates Stylo4k
* SubGhz: add unit test file
* f7: api: reverted symbols

Co-authored-by: hedger <hedger@nanode.su>
Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>

lib/subghz/protocols/kinggates_stylo_4k.h

@@ -0,0 +1,74 @@
+#pragma once
+#include "base.h"
+
+#define SUBGHZ_PROTOCOL_KINGGATES_STYLO_4K_NAME "KingGates Stylo4k"
+
+typedef struct SubGhzProtocolDecoderKingGates_stylo_4k SubGhzProtocolDecoderKingGates_stylo_4k;
+typedef struct SubGhzProtocolEncoderKingGates_stylo_4k SubGhzProtocolEncoderKingGates_stylo_4k;
+
+extern const SubGhzProtocolDecoder subghz_protocol_kinggates_stylo_4k_decoder;
+extern const SubGhzProtocolEncoder subghz_protocol_kinggates_stylo_4k_encoder;
+extern const SubGhzProtocol subghz_protocol_kinggates_stylo_4k;
+
+/**
+ * Allocate SubGhzProtocolDecoderKingGates_stylo_4k.
+ * @param environment Pointer to a SubGhzEnvironment instance
+ * @return SubGhzProtocolDecoderKingGates_stylo_4k* pointer to a SubGhzProtocolDecoderKingGates_stylo_4k instance
+ */
+void* subghz_protocol_decoder_kinggates_stylo_4k_alloc(SubGhzEnvironment* environment);
+
+/**
+ * Free SubGhzProtocolDecoderKingGates_stylo_4k.
+ * @param context Pointer to a SubGhzProtocolDecoderKingGates_stylo_4k instance
+ */
+void subghz_protocol_decoder_kinggates_stylo_4k_free(void* context);
+
+/**
+ * Reset decoder SubGhzProtocolDecoderKingGates_stylo_4k.
+ * @param context Pointer to a SubGhzProtocolDecoderKingGates_stylo_4k instance
+ */
+void subghz_protocol_decoder_kinggates_stylo_4k_reset(void* context);
+
+/**
+ * Parse a raw sequence of levels and durations received from the air.
+ * @param context Pointer to a SubGhzProtocolDecoderKingGates_stylo_4k instance
+ * @param level Signal level true-high false-low
+ * @param duration Duration of this level in, us
+ */
+void subghz_protocol_decoder_kinggates_stylo_4k_feed(void* context, bool level, uint32_t duration);
+
+/**
+ * Getting the hash sum of the last randomly received parcel.
+ * @param context Pointer to a SubGhzProtocolDecoderKingGates_stylo_4k instance
+ * @return hash Hash sum
+ */
+uint8_t subghz_protocol_decoder_kinggates_stylo_4k_get_hash_data(void* context);
+
+/**
+ * Serialize data SubGhzProtocolDecoderKingGates_stylo_4k.
+ * @param context Pointer to a SubGhzProtocolDecoderKingGates_stylo_4k instance
+ * @param flipper_format Pointer to a FlipperFormat instance
+ * @param preset The modulation on which the signal was received, SubGhzRadioPreset
+ * @return true On success
+ */
+bool subghz_protocol_decoder_kinggates_stylo_4k_serialize(
+    void* context,
+    FlipperFormat* flipper_format,
+    SubGhzRadioPreset* preset);
+
+/**
+ * Deserialize data SubGhzProtocolDecoderKingGates_stylo_4k.
+ * @param context Pointer to a SubGhzProtocolDecoderKingGates_stylo_4k instance
+ * @param flipper_format Pointer to a FlipperFormat instance
+ * @return true On success
+ */
+bool subghz_protocol_decoder_kinggates_stylo_4k_deserialize(
+    void* context,
+    FlipperFormat* flipper_format);
+
+/**
+ * Getting a textual representation of the received data.
+ * @param context Pointer to a SubGhzProtocolDecoderKingGates_stylo_4k instance
+ * @param output Resulting text
+ */
+void subghz_protocol_decoder_kinggates_stylo_4k_get_string(void* context, FuriString* output);