[FL-1955] CLI RPC (#781)

- RPC: added CLI command to start session - all input bytes goes into RPC, all RPC output goes into VCP
- RPC: added command to close session (actually it only notifies transport layer)
- RPC: added recursive rmdir
- RPC: hard-coded listing for root directory (any, ext, int)
- Fixed CLI leak
- Fixed furi_record_delete leak
- Unit tests: repaired
- Unit tests: corrected output - remove excess, change dots with progress spinner
- Unit tests: added leak check
- Unit tests: SD mount check before start

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

applications/storage/storage.h

@@ -240,6 +240,14 @@ FS_Error storage_sd_status(Storage* api);
  */
 bool storage_simply_remove(Storage* storage, const char* path);
 
+/**
+ * Removes a file/directory from the repository, the directory can be not empty
+ * @param storage pointer to the api
+ * @param path
+ * @return true on success or if file/dir is not exist
+ */
+bool storage_simply_remove_recursive(Storage* storage, const char* path);
+
 /**
  * Creates a directory
  * @param storage 
@@ -250,4 +258,4 @@ bool storage_simply_mkdir(Storage* storage, const char* path);
 
 #ifdef __cplusplus
 }
-#endif
+#endif