feat: 从黄果 NET hgdjnet-server 9bfbafe 导入 HKDJ 官网后端

来源：hgdjnet-server 9bfbafe10d417deea959bd53117bc88a10e60a83
项目身份 HKDJ / JHA-216，独立官网仓库，Jenkins 守卫键 hkdjnet
测试目录 /server/hkdj_net，App/Web API 30331/30332

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

app/api/translationapi/translation.go

@@ -0,0 +1,22 @@
+package translationapi
+
+import (
+	"hkdj-web-server/app/service/translationser"
+	"hkdj-web-server/pub/common"
+	"hkdj-web-server/pub/common/srvdef"
+
+	"github.com/gin-gonic/gin"
+)
+
+// CategoryList app端导航分类列表
+// @Tags APP导航相关接口
+// @Summary app端导航分类列表 --by 王鸣
+// @Description 无请求参数，不分页，返回启用的顶部导航分类
+// @Accept json
+// @Produce json
+// @Success 200 {object} proto.AppTranslationInfo "成功"
+// @Failure 400 {string} string "失败"
+// @Router /api/app/translation/category/list [get]
+func CategoryList(ctx *gin.Context) {
+	common.ServerJSON(ctx, srvdef.Success, translationser.GetTranslationData())
+}