Python script to generate key, encrypt and decrypt the files
The purpose of this scrypt is just to show how to generate and handle a personal password Vault. We will use the Fernet framework from Cryptography company (https://cryptography.io/en/latest/fernet/)
The idea is to help you to keep your secrets safe, using a file with personal key validation to encrypt and decrypt the file whenever you want to retrieve your secrets or add a new asset/user/secret pairs.