fix(flyway): 重构迁移脚本并修复 WebFlux 环境下无法运行的问题

- 将 15 个分散的迁移脚本合并为 4 个清晰的版本
  - V1: 创建所有表结构
  - V2: 插入初始数据
  - V3: 创建索引
  - V4: 授权
- 添加 DataSourceConfig 配置 JDBC DataSource
- 添加 spring-boot-starter-jdbc 依赖
- 修复 V2 脚本中 ON CONFLICT 语法问题

gym-manage-api/manage-app/pom.xml

@@ -70,6 +70,10 @@
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-jdbc</artifactId>
+        </dependency>
         <dependency>
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>

gym-manage-api/manage-app/src/main/java/cn/novalon/gym/manage/app/config/DataSourceConfig.java

@@ -0,0 +1,29 @@
+package cn.novalon.gym.manage.app.config;
+
+import com.zaxxer.hikari.HikariDataSource;
+import org.springframework.boot.autoconfigure.jdbc.DataSourceProperties;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Primary;
+
+import javax.sql.DataSource;
+
+@Configuration
+public class DataSourceConfig {
+
+    @Bean
+    @Primary
+    @ConfigurationProperties("spring.datasource")
+    public DataSourceProperties dataSourceProperties() {
+        return new DataSourceProperties();
+    }
+
+    @Bean
+    @Primary
+    public DataSource dataSource(DataSourceProperties properties) {
+        return properties.initializeDataSourceBuilder()
+                .type(HikariDataSource.class)
+                .build();
+    }
+}