init: hgmj server initial commit

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

app/router/mediacontent.go

@@ -0,0 +1,15 @@
+package router
+
+import (
+	"91jd-server/app/api/mediacontentctrl"
+	"github.com/gin-gonic/gin"
+)
+
+// mediaContent 移动端接口
+func mediaContentRouter(router *gin.RouterGroup) {
+	group := router.Group("/media_content")
+	{
+		group.GET("/list", mediacontentctrl.List)
+		group.GET("/info", mediacontentctrl.Info)
+	}
+}