How to beautifully format JSON in Go: a detailed guide

Hello! I'm new to Go and working on a project where I need to output JSON in a readable format. I have a data structure that I serialize to JSON using `json.Marshal()`, but the output is a single-line string without indentation or line breaks. This is very inconvenient for debugging and logs. Here is my code: ```go package main import ( "encoding/json" "fmt" ) type User struct { Name string Age int Email string Address Address } type Address struct { City string Country string } func main() { user := User{ Name: "Ivan Ivanov", Age: 30, Email: "ivan@example.com", Address: Address{ City: "Moscow", Country: "Russia", }, } jsonData, err := js