feat(core): 初始化支付系统核心配置与启动模块

- 添加Druid主从数据源配置属性类
- 创建支付系统主启动类MtkjpayApplication
- 配置mt-startup模块pom.xml引入必要依赖
- 添加RestClient配置类用于HTTP请求
- 创建统一响应结果类Result及响应码枚举
- 实现美观的系统启动成功/失败日志输出
- 配置Lombok注解处理器支持

mt-startup/pom.xml

@@ -0,0 +1,82 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>com.mtkj</groupId>
+        <artifactId>MTKJPAY</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <artifactId>mt-startup</artifactId>
+    <packaging>jar</packaging>
+    <name>mt-startup</name>
+    <description>MTKJ PAY 启动模块</description>
+    
+    <properties>
+        <java.version>17</java.version>
+        <lombok.version>1.18.30</lombok.version>
+    </properties>
+    
+    <dependencies>
+        <!-- 引入 mt-pay 模块 -->
+        <dependency>
+            <groupId>com.mtkj</groupId>
+            <artifactId>mt-pay</artifactId>
+            <version>0.0.1-SNAPSHOT</version>
+        </dependency>
+        
+        <!-- Spring Boot Web -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        
+        <!-- Spring Boot DevTools -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-devtools</artifactId>
+            <scope>runtime</scope>
+            <optional>true</optional>
+        </dependency>
+        
+        <!-- Lombok -->
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>${lombok.version}</version>
+            <optional>true</optional>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <annotationProcessorPaths>
+                        <path>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                            <version>${lombok.version}</version>
+                        </path>
+                    </annotationProcessorPaths>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <excludes>
+                        <exclude>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                        </exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>
+