Rust Taskbook Level 8.5

Given a text file, write the current time at the beginning of its text, starting with a new line.

Given a folder with files, get an array of sizes of all files in this folder.

Given an array of folder names, write a program that will create subfolders in the given folder with the names from the array.

The file contains Russian text. Open this file, convert the text to transliteration and write it to a new file.