fix: 'new()' method for format Config Builder (#223)

Co-authored-by: Peter Huene <peter@huene.dev>

wdl-format/Cargo.toml

@@ -1,6 +1,7 @@
 [package]
 name = "wdl-format"
 version = "0.2.0"
+description = "Formatting of WDL (Workflow Description Language) documents"
 license.workspace = true
 edition.workspace = true
 authors.workspace = true

wdl-format/src/config.rs

@@ -7,7 +7,7 @@ pub use builder::Builder;
 pub use indent::Indent;
 
 /// Configuration for formatting.
-#[derive(Debug, Default)]
+#[derive(Clone, Copy, Debug, Default)]
 pub struct Config {
     /// The number of characters to indent.
     indent: Indent,

wdl-format/src/config/builder.rs

@@ -33,6 +33,11 @@ pub struct Builder {
 }
 
 impl Builder {
+    /// Creates a new builder with default values.
+    pub fn new() -> Self {
+        Default::default()
+    }
+
     /// Sets the indentation level.
     ///
     /// # Notes