feat: 添加供应商管理相关功能及数据库表结构

新增供应商名录管理功能，包括合格供应商名录、供应商文件、供应商关联实体等模块。主要变更包括：

1. 添加COMPANY_VENDOR_ENTITY表的CREATOR_ID、MODIFIER_ID和MODIFY_DATE字段
2. 实现供应商同步任务类(VendorClassSyncTask等)
3. 新增供应商相关VO类(VendorApprovedVo、VendorFileVo等)
4. 添加供应商相关Repository接口(VendorRepository、VendorFileRepository等)
5. 实现供应商相关服务类(VendorApprovedService、VendorFileService等)
6. 添加供应商管理界面控制器及皮肤类
7. 新增供应商文件类型枚举和本地化配置

client/src/main/java/com/ecep/contract/task/ContractGroupSyncTask.java

@@ -0,0 +1,12 @@
+package com.ecep.contract.controller;
+
+import com.ecep.contract.MessageHolder;
+import com.ecep.contract.task.Tasker;
+
+public class ContractGroupSyncTask  extends Tasker<Object>{
+    @Override
+    public Object execute(MessageHolder holder) {
+        return null;
+    }
+
+}

client/src/main/java/com/ecep/contract/task/ContractKindSyncTask.java

@@ -0,0 +1,11 @@
+package com.ecep.contract.controller;
+
+import com.ecep.contract.MessageHolder;
+import com.ecep.contract.task.Tasker;
+
+public class ContractKindSyncTask extends Tasker<Object> {
+    @Override
+    public Object execute(MessageHolder holder) {
+        return null;
+    }
+}

client/src/main/java/com/ecep/contract/task/ContractSyncAllTask.java

@@ -0,0 +1,12 @@
+package com.ecep.contract.controller;
+
+import com.ecep.contract.MessageHolder;
+import com.ecep.contract.task.Tasker;
+
+public class ContractSyncAllTask extends Tasker<Object> {
+    @Override
+    public Object execute(MessageHolder holder) {
+        return null;
+    }
+
+}

client/src/main/java/com/ecep/contract/task/ContractTypeSyncTask.java

@@ -0,0 +1,11 @@
+package com.ecep.contract.controller;
+
+import com.ecep.contract.MessageHolder;
+import com.ecep.contract.task.Tasker;
+
+public class ContractTypeSyncTask extends Tasker<Object> {
+    @Override
+    public Object execute(MessageHolder holder) {
+        return null;
+    }
+}

client/src/main/java/com/ecep/contract/task/CustomerClassSyncTask.java

@@ -0,0 +1,14 @@
+package com.ecep.contract.controller;
+
+import com.ecep.contract.MessageHolder;
+import com.ecep.contract.task.Tasker;
+
+public class CustomerClassSyncTask extends Tasker<Object> {
+
+    @Override
+    protected Object execute(MessageHolder holder) throws Exception {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'execute'");
+    }
+
+}

client/src/main/java/com/ecep/contract/task/VendorClassSyncTask.java

@@ -0,0 +1,11 @@
+package com.ecep.contract.controller;
+
+import com.ecep.contract.MessageHolder;
+import com.ecep.contract.task.Tasker;
+
+public class VendorClassSyncTask extends Tasker<Object> {
+    @Override
+    public Object execute(MessageHolder holder) {
+        return null;
+    }
+}