Convert it into a CLI that can provide the WORDLE solution for a given day

Quoting [this](https://medium.com/@owenyin/here-lies-wordle-2021-2027-full-answer-list-52017ee99e86) link,

> All 2,315 words are stored right in your browser when you play a game. When you connect to the site, you download a nifty script that figures out what day it is on your device and shows you the correct puzzle. The script stores all the allowed words you can guess plus the answer to every puzzle, past, present, and future.

Take a date in as an argument and calculate the wordle solution for the given date. If no date is passed, using the current date

The issue names no files or tests. Begin by locating the current Wordle answer-selection logic, then determine how the project represents the puzzle date and solution. Add a command-line date input with a current-date fallback, and verify that both explicit and omitted dates produce the expected solution.

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