minor changes to directory structure

sequence_extractor/list_to_file.py

-def list_to_file(
-    to_write_to_file: list,
-    filename: str,
-) -> None:
-    """Creates a file from a list that is input to the function.
-
-    Args:
-        to_write_to_file: The list that you want to write to a file.
-        filename: The name you want the output fasta file to have (also include the extension of the file while calling the function).
-
-    Returns:
-        Nothing, since it outputs a file directly to the working directory
-    """
-    file = open(filename,'a')   
-    for item in to_write_to_file:
-        file.write(item)
-    file.close()
\ No newline at end of file