fix(io_backend): re-added the iob_config_from_args in the header file

src/io_backend/io_backend.h

@@ -38,6 +38,15 @@ struct iob_context
     char *args;
 };
 
+/**
+ * @brief Converts struct arg_options to iob_context
+ *
+ * @param args The arguments options struct
+ * @param ctx The IO Backend context struct to populate
+ * @return int 0 on success, negative value on error
+ */
+int iob_config_from_args(struct args_options *args, struct iob_context *ctx);
+
 /*
  * @brief Initializes the IO Backend module
  *