Update Update! (v1.0)

Finally, an update update?

Changelog:

• Added translations
• Changed first input to lowercase to make the code shorter
• Added custom errors
• Made passwords more secure
• Temporary limited password and PIN length
• Do I need to type everything I changed here?
• Basically remade the entire code lol
• Also remade README.md

Want to translate this code to other language than Polish and Spanish? You can create a pull request or ask for translation using issues.

Pull request method:

• Fork this repo
• Create a new file .json file in the "lang" folder
• Translate strings
• Create a pull request

An example name of a file: For Spanish it will be es and for Polish it will be pl.