Write the package.json and package-lock.json files with pretty json f…

…ormatting

cmd/soroban-cli/src/commands/contract/init.rs

@@ -16,7 +16,7 @@ use clap::{
 use gix::{clone, create, open, progress, remote};
 use rust_embed::RustEmbed;
 use serde::Deserialize;
-use serde_json::{from_str, json, Error as JsonError, Value as JsonValue};
+use serde_json::{from_str, json, to_string_pretty, Error as JsonError, Value as JsonValue};
 use toml_edit::{Document, Formatted, InlineTable, Item, TomlError, Value as TomlValue};
 use ureq::{get, Error as UreqError};
 
@@ -438,7 +438,9 @@ fn edit_package_name(
 
     doc["name"] = json!(package_name.to_string_lossy());
 
-    write(&file_path, doc.to_string())?;
+    let formatted_json = to_string_pretty(&doc)?;
+
+    write(&file_path, formatted_json)?;
 
     Ok(())
 }