初始化项目框架，完成部分接口开发

internal/service/category.go

@@ -0,0 +1,36 @@
+// ================================================================================
+// Code generated and maintained by GoFrame CLI tool. DO NOT EDIT.
+// You can delete these comments if you wish manually maintain this interface file.
+// ================================================================================
+
+package service
+
+import (
+	"context"
+	"server/internal/model"
+)
+
+type (
+	ICategory interface {
+		// List retrieves a paginated list of categories
+		List(ctx context.Context, in *model.CategoryListIn) (out *model.CategoryListOut, err error)
+		Create(ctx context.Context, in *model.CategoryAddIn) (out *model.CategoryCRUDOut, err error)
+		Update(ctx context.Context, in *model.CategoryEditIn) (out *model.CategoryCRUDOut, err error)
+		Delete(ctx context.Context, in *model.CategoryDelIn) (out *model.CategoryCRUDOut, err error)
+	}
+)
+
+var (
+	localCategory ICategory
+)
+
+func Category() ICategory {
+	if localCategory == nil {
+		panic("implement not found for interface ICategory, forgot register?")
+	}
+	return localCategory
+}
+
+func RegisterCategory(i ICategory) {
+	localCategory = i
+}