[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>

firmware/targets/furi_hal_include/furi_hal_crypto.h

@@ -8,6 +8,10 @@
 #include <stdint.h>
 #include <stddef.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /** FuriHalCryptoKey Type */
 typedef enum {
     FuriHalCryptoKeyTypeMaster, /**< Master key */
@@ -82,3 +86,7 @@ bool furi_hal_crypto_encrypt(const uint8_t* input, uint8_t* output, size_t size)
  * @return     true on success
  */
 bool furi_hal_crypto_decrypt(const uint8_t* input, uint8_t* output, size_t size);
+
+#ifdef __cplusplus
+}
+#endif