chore(dress_code): prettier

subjects/dress_code/README.md

@@ -3,10 +3,12 @@
 ### Instructions
 
 Create a function called `choose_outfit` that receives the following input:
+
 - A `formality_level` as an `Option<u32>`.
 - An `invitation_message` as a `Result<&str>`.
 
 The function will return a struct `Outfit` which contains:
+
 - `jacket`, an `enum` `Jacket` that contains `Black`, `White` and `Flowers`.
 - `hat`, an `enum` `Hat` that contains `Snapback`, `Baseball`, `Fedora`.
 
@@ -19,11 +21,13 @@ pub struct Outfit {
 ```
 
 For the `jacket`:
+
 - The jacket should be `Flowers` when the `formality_level` is unset.
 - The jacket should be `White` when the `formality_level` is more than 0.
 - Otherwise, it should be `Black`.
 
 For the `hat`:
+
 - If the `invitation_message` is `Ok()` it should be `Fedora`.
 - Otherwise, it should be `Snapback`.
 
@@ -51,6 +55,7 @@ fn main() {
 ```
 
 And its output:
+
 ```console
 $ cargo run
 My outfit will be: Outfit { jacket: Black, hat: Fedora }