Update Dart.md

Fixed Numbered List
Section separation

Author: VerzatileDev

docs/Language/Dart/Dart.md

@@ -13,27 +13,30 @@ has_children: false
 
 Dart is a client-optimized programming language for apps on multiple platforms. It is developed by Google and is used to build mobile, desktop, server, and web applications. Dart is an object-oriented, class-based, garbage-collected language with C-style syntax. It supports interfaces, mixins, abstract classes, generics, and optional typing.
 
-### 1) Object-Oriented
+---
+
+1. Object-Oriented
 
-- Dart is an object-oriented language, which means that everything in Dart is an object.
-- Objects are instances of classes, which are blueprints for creating objects.
+    - Dart is an object-oriented language, which means that everything in Dart is an object.
+    - Objects are instances of classes, which are blueprints for creating objects.
 
-### 2) Class-Based
+2. Class-Based
 
-- Dart is a class-based language, which means that all objects are created from classes.
-- Classes are used to define the structure and behavior of objects.
+    - Dart is a class-based language, which means that all objects are created from classes.
+    - Classes are used to define the structure and behavior of objects.
 
-### 3) Garbage-Collected
+3. Garbage-Collected
 
-- Dart is a garbage-collected language, which means that the Dart VM automatically reclaims memory occupied by objects that are no longer in use.
-- This allows developers to focus on writing code instead of worrying about memory management.
+    - Dart is a garbage-collected language, which means that the Dart VM automatically reclaims memory occupied by objects that are no longer in use.
+    - This allows developers to focus on writing code instead of worrying about memory management.
 
 ---
 
 ## Examples
 
-Here are some simple example problems that explore making a coffee. Here is some example dart code:
+Here are some simple example problems that explore making a coffee.
 
+{: .code title="Example"}
 ```dart
 class CoffeeMaker {
   void makeCoffee() {