Add some vertical spacing

ehttp/src/types.rs

@@ -100,13 +100,16 @@ impl<'h> IntoIterator for &'h Headers {
 pub enum Mode {
     /// If a request is made to another origin with this mode set, the result is an error.
     SameOrigin = 0,
+
     /// The request will not include the Origin header in a request. 
     /// The server's response will be opaque, meaning that JavaScript code cannot access its contents
     NoCors = 1,
+
     /// Includes an Origin header in the request and expects the server to respond with an 
     /// "Access-Control-Allow-Origin" header that indicates whether the request is allowed.
     #[default]
     Cors = 2,
+
     /// A mode for supporting navigation
     Navigate = 3,
 }