export new pipeline modules

src/lib/exporter/index.ts

@@ -1,4 +1,5 @@
 export { VideoExporter } from './videoExporter';
+export { ModernVideoExporter } from './modernVideoExporter';
 export { VideoFileDecoder } from './videoDecoder';
 export { StreamingVideoDecoder } from './streamingDecoder';
 export { FrameRenderer } from './frameRenderer';
@@ -6,6 +7,7 @@ export { VideoMuxer } from './muxer';
 export { GifExporter, calculateOutputDimensions } from './gifExporter';
 export {
   DEFAULT_MP4_CODEC,
+  MP4_CODEC_FALLBACK_LIST,
   probeSupportedMp4Dimensions,
   resolveSupportedMp4EncoderPath,
 } from './mp4Support';
@@ -13,8 +15,15 @@ export type {
   ExportConfig, 
   ExportProgress, 
   ExportResult, 
+  ExportMetrics,
   VideoFrameData, 
+  ExportRenderBackend,
+  ExportEncodeBackend,
+  ExportBackendPreference,
+  ExportPipelineModel,
+  ExportEncodingMode,
   ExportQuality,
+  ExportMp4FrameRate,
   ExportFormat,
   GifFrameRate,
   GifSizePreset,
@@ -26,6 +35,8 @@ export type {
   SupportedMp4EncoderPath,
 } from './mp4Support';
 export { 
+  MP4_FRAME_RATES,
+  isValidMp4FrameRate,
   GIF_SIZE_PRESETS, 
   GIF_FRAME_RATES, 
   VALID_GIF_FRAME_RATES,