Skorp sub ghz add protocol (#581)

* SubGhz: Add Star Line protocol
* Rollback ReadMe changes
* SubGhz: add shared keystore for keeloq derived protocols.
* SubGhz: add missing key load routine

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

lib/fl_subghz/protocols/subghz_protocol_star_line.h

@@ -0,0 +1,53 @@
+#pragma once
+
+#include "subghz_protocol_common.h"
+
+typedef struct SubGhzKeystore SubGhzKeystore;
+
+typedef struct SubGhzProtocolStarLine SubGhzProtocolStarLine;
+
+/** Allocate SubGhzProtocolStarLine
+ * 
+ * @return SubGhzProtocolStarLine* 
+ */
+SubGhzProtocolStarLine* subghz_protocol_star_line_alloc(SubGhzKeystore* keystore);
+
+/** Free SubGhzProtocolStarLine
+ * 
+ * @param instance 
+ */
+void subghz_protocol_star_line_free(SubGhzProtocolStarLine* instance);
+
+/** Sends the key on the air
+ * 
+ * @param instance - SubGhzProtocolStarLine instance
+ * @param key - key send
+ * @param bit - count bit key
+ * @param repeat - repeat send key
+ */
+void subghz_protocol_star_line_send_key(SubGhzProtocolStarLine* instance, uint64_t key, uint8_t bit, uint8_t repeat);
+
+/** Reset internal state
+ * @param instance - SubGhzProtocolStarLine instance
+ */
+void subghz_protocol_star_line_reset(SubGhzProtocolStarLine* instance);
+
+/** Analysis of received data
+ * 
+ * @param instance SubGhzProtocolStarLine instance
+ */
+void subghz_protocol_star_line_check_remote_controller(SubGhzProtocolStarLine* instance);
+
+/** Parse accepted duration
+ * 
+ * @param instance - SubGhzProtocolStarLine instance
+ * @param data - LevelDuration level_duration
+ */
+void subghz_protocol_star_line_parse(SubGhzProtocolStarLine* instance, bool level, uint32_t duration);
+
+/** Outputting information from the parser
+ * 
+ * @param instance - SubGhzProtocolStarLine* instance
+ * @param output   - output string
+ */
+void subghz_protocol_star_line_to_str(SubGhzProtocolStarLine* instance, string_t output);