docs(sample): Add sample codes. 🥚

README.md

@@ -49,8 +49,6 @@ Check out all code demonstrations [HERE](demo/src/main/java/cc/carm/lib/configur
 For more examples, see the [Development Guide](.doc/README.md).
 
 ```java
-public class Sample {
-
 @HeaderComment("Configurations for sample")
 interface SampleConfig extends Configuration {
 
@@ -74,7 +72,10 @@ public class Sample {
     
     }
 }
+```
 
+```java
+public class Sample {
   public static void main(String[] args) {
     // 1. Make a configuration provider from a file.
     ConfigurationProvider<?> provider = EasyConfiguration.from("config.yml");
@@ -84,7 +85,6 @@ public class Sample {
     SampleConfig.ENABLED.set(false);
     System.out.println("Your name is " + SampleConfig.INFO.NAME.getNotNull() + " !");
   }
-
 }
 
 ```

README_CN.md

@@ -42,9 +42,8 @@ README LANGUAGES [ [English](README.md) | [**中文**](README_CN.md)  ]
 
 您可以 [点击这里](demo/src/main/java/cc/carm/lib/configuration/demo) 直接查看现有的代码演示，更多复杂情况演示详见 [开发介绍](.doc/README.md) 。
 
-```java
-public class Sample {
 
+```java
 @HeaderComment("Configurations for sample")
 interface SampleConfig extends Configuration {
 
@@ -65,9 +64,13 @@ public class Sample {
 
         @ConfigPath("year") // 自定义配置路径，若不定义，则按照默认规则生成
         ConfiguredValue<Integer> AGE = ConfiguredValue.of(24);
-        }
-    }
     
+    }
+}
+```
+
+```java
+public class Sample {
     public static void main(String[] args) {
         // 1. 生成一个 “Provider” 用于给配置类提供源配置的文件。
         ConfigurationProvider<?> provider = EasyConfiguration.from("config.yml");
@@ -77,7 +80,6 @@ public class Sample {
         SampleConfig.ENABLED.set(false);
         System.out.println("Your name is " + SampleConfig.INFO.NAME.getNotNull() + " !");
     }
-
 }
 ```
 

impl/yaml/src/test/java/config/Sample.java

@@ -11,8 +11,6 @@ import cc.carm.lib.configuration.core.value.type.ConfiguredValue;
 
 import java.util.UUID;
 
-public class Sample {
-
 @HeaderComment("Configurations for sample")
 interface SampleConfig extends Configuration {
 
@@ -36,6 +34,8 @@ public class Sample {
 
 }
 
+public class Sample {
+
     public static void main(String[] args) {
         // 1. Make a configuration provider from a file.
         ConfigurationProvider<?> provider = EasyConfiguration.from("config.yml");