This is a cargo for easy opening of files.
To get the file into a string: read_file(&str) Returns string
To get files line by line read_file_lines(&str) Retruns vector string
To write to a file do : write_file(&str,&str) (file name, file content)
To delete file remove_file(&str) to remove the file using the name of the file
To save byte arrays do: write_file_bytes(&str,Vec u8)
read_file_bytes (&str: filename)