[FL-2627] Flipper applications: SDK, build and debug system (#1387)

* Added support for running applications from SD card (FAPs - Flipper Application Packages)
* Added plugin_dist target for fbt to build FAPs
* All apps of type FlipperAppType.EXTERNAL and FlipperAppType.PLUGIN are built as FAPs by default
* Updated VSCode configuration for new fbt features - re-deploy stock configuration to use them
* Added debugging support for FAPs with fbt debug & VSCode
* Added public firmware API with automated versioning

Co-authored-by: hedger <hedger@users.noreply.github.com>
Co-authored-by: SG <who.just.the.doctor@gmail.com>
Co-authored-by: あく <alleteam@gmail.com>

applications/main/subghz/helpers/subghz_testing.c

@@ -0,0 +1,38 @@
+#include "subghz_testing.h"
+
+const uint32_t subghz_frequencies_testing[] = {
+    /* 300 - 348 */
+    300000000,
+    304500000,
+    310000000,
+    312025000,
+    313250000,
+    313625000,
+    315000000,
+    315225000,
+    321950000,
+    348000000,
+    /* 387 - 464 */
+    387000000,
+    433075000, /* LPD433 first */
+    433825000,
+    433920000, /* LPD433 mid */
+    434420000,
+    434775000, /* LPD433 last channels */
+    438900000,
+    464000000,
+    /* 779 - 928 */
+    779000000,
+    868150000,
+    868350000,
+    868550000,
+    915000000,
+    925000000,
+    926500000,
+    927950000,
+    928000000,
+};
+
+const uint32_t subghz_frequencies_count_testing =
+    sizeof(subghz_frequencies_testing) / sizeof(uint32_t);
+const uint32_t subghz_frequencies_433_92_testing = 13;