Convert to snake case from package snakecase

Convert to snake case from package snakecase

snaking(
  string,
  abbreviations = NULL,
  sep_in = "[^[:alnum:]]",
  parsing_option = 1,
  transliterations = NULL,
  numerals = "middle",
  sep_out = NULL,
  unique_sep = NULL,
  empty_fill = NULL,
  prefix = "",
  postfix = ""
)