refactor: 通用逻辑移到core中方便strategy模块一起使用

leopard-core/pom.xml

@@ -20,10 +20,18 @@
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-starter-data-jpa</artifactId>
     </dependency>
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-json</artifactId>
+    </dependency>
     <dependency>
       <groupId>cn.hutool</groupId>
       <artifactId>hutool-core</artifactId>
     </dependency>
+    <dependency>
+      <groupId>cn.hutool</groupId>
+      <artifactId>hutool-http</artifactId>
+    </dependency>
 
     <dependency>
       <groupId>io.github.ralfkonrad.quantlib_for_maven</groupId>