[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>

lib/subghz/blocks/math.c

@@ -0,0 +1,9 @@
+#include "math.h"
+
+uint64_t subghz_protocol_blocks_reverse_key(uint64_t key, uint8_t count_bit) {
+    uint64_t key_reverse = 0;
+    for(uint8_t i = 0; i < count_bit; i++) {
+        key_reverse = key_reverse << 1 | bit_read(key, i);
+    }
+    return key_reverse;
+}