documentation helper function "main_doc" added for most frequent function arguments.

R/.main_docu.R

+#' @title Helper function to unify the documentation of frequent function arguments in ume
+#' @name main_docu
+#' @description
+#' @param msg Logical. If `TRUE`, messages about the assignment process will be printed.
+#' @param ... Other arguments that can be passed to the function.
+#' @family internal functions
+#' @keywords internal
+#' @noRd
+#' @return data.table
+
+
+main_docu <- function(){
+
+}