feat: ✨ Add Display trait for Metadata structure

src/commands/generate.rs

@@ -30,13 +30,34 @@ struct Metadata {
 
 impl Display for Metadata {
     fn fmt(&self, formatter: &mut Formatter) -> FormatResult {
+        let mut authors_lines: String = String::default();
+
+        if let Some(authors) = &self.authors {
+            for (index, author) in authors.iter().enumerate() {
+                authors_lines.push_str(
+                    format!(
+                        "Author n°{}\n\
+                         {}",
+                        index + 1,
+                        author
+                    )
+                    .as_str(),
+                );
+
+                if index != authors.len() - 1 {
+                    authors_lines.push_str("\n\n");
+                }
+            }
+        }
+
         write!(
             formatter,
-            "Generation file metadata\n\
+            "Metadata\n\
              Name: {}\n\
              Version: {}\n\
-             References: {:?}",
-            self.name, self.version, self.references
+             References: {:#?}\n\n\
+             {}",
+            self.name, self.version, self.references, authors_lines
         )
     }
 }