feat(material): add material handling and routing functionality

- Introduced MaterialHandler for managing learning materials and subjects.
- Updated router to include routes for public and admin material management.
- Enhanced database initialization with material subject and file models.
- Implemented seeding logic for material subjects and files.
- Updated wire generation to include MaterialHandler and related services.

internal/wire/service.go

@@ -54,6 +54,7 @@ var ServiceSet = wire.NewSet(
 	ProvideAdminDashboardService,
 	ProvideQRCodeLoginService,
 	ProvideHotRankWorker,
+	ProvideMaterialService,
 
 	// 日志服务
 	ProvideAsyncLogManager,
@@ -369,6 +370,14 @@ func ProvideQRCodeLoginService(
 	return service.NewQRCodeLoginService(redisClient, sseHub, jwtService, userService, activityService, logService)
 }
 
+// ProvideMaterialService 提供学习资料服务
+func ProvideMaterialService(
+	subjectRepo *repository.MaterialSubjectRepository,
+	fileRepo *repository.MaterialFileRepository,
+) service.MaterialService {
+	return service.NewMaterialService(subjectRepo, fileRepo)
+}
+
 // parseDuration 解析时长字符串
 func parseDuration(s string) (time.Duration, error) {
 	return time.ParseDuration(s)