fix(config): 统一配置键名并修复 EnvironmentInitializer 属性读取

- 统一使用 kenaito.config.baseUrl 替代 kenaito.config.base.url
- 更新示例配置参数（appName、profile、数据库配置键名）
- EnvironmentInitializer 添加从 Spring Environment 提取 kenaito.config.* 属性的逻辑
- .gitignore 添加 target 目录忽略规则

kenaito-conf-springboot2-client-demo/src/main/java/cn/odboy/demo/ConfigController.java

@@ -10,29 +10,29 @@ import java.util.Map;
 @RestController
 public class ConfigController {
 
-    @Value("${app.name:unknown}")
-    private String appName;
+    @Value("${database.host:unknown}")
+    private String host;
 
-    @Value("${app.version:unknown}")
-    private String appVersion;
+    @Value("${database.port:unknown}")
+    private String port;
 
-    @Value("${db.url:unknown}")
-    private String dbUrl;
+    @Value("${database.name:unknown}")
+    private String name;
 
-    @Value("${db.username:unknown}")
-    private String dbUsername;
+    @Value("${database.user:unknown}")
+    private String user;
 
-    @Value("${custom.config1:unknown}")
-    private String customConfig1;
+    @Value("${database.password:unknown}")
+    private String password;
 
     @GetMapping("/")
     public Map<String, Object> index() {
         Map<String, Object> result = new HashMap<>();
-        result.put("appName", appName);
-        result.put("appVersion", appVersion);
-        result.put("dbUrl", dbUrl);
-        result.put("dbUsername", dbUsername);
-        result.put("customConfig1", customConfig1);
+        result.put("host", host);
+        result.put("port", port);
+        result.put("name", name);
+        result.put("user", user);
+        result.put("password", password);
         return result;
     }
 

kenaito-conf-springboot2-client-demo/src/main/resources/application.properties

@@ -7,13 +7,15 @@ app.version=1.0.0
 
 # Kenaito Config Center
 kenaito.config.baseUrl=http://localhost:8080
-kenaito.config.appName=demo
-kenaito.config.profile=dev
+kenaito.config.appName=kenaito-springboot-demo
+kenaito.config.profile=daily
 kenaito.config.version=latest
 kenaito.config.token=
 kenaito.config.sync-interval-seconds=30
 
 # Local configs (will be overridden by remote if exists)
-db.url=jdbc:mysql://localhost:3306/local_db
-db.username=local_user
-custom.config1=local_value
+database.host=192.168.1.1
+database.port=8888
+database.name=xxxx
+database.user=xxxx
+database.password=xxxxxxxx