🐛 fix: required rule doesn't do much when it comes to numbers no more…

… (it doens't check being zero)

📖 docs: v2.1.1

📖 docs: v2.1.1

📖 docs: v2.1.0

✨ style: fmt.Println removed

🔧 refactor: changing package name to v2

📖 docs: v1.4.4

📖 docs: v1.4.3

📖 docs: v1.4.2

📖 docs: v1.4.1