feat: add export for epg-channel-metadata.model in index file

Entire-Checkpoint: c6e522b4276c

libs/shared/interfaces/src/index.ts

@@ -1,6 +1,7 @@
 export * from './lib/channel.interface';
 export * from './lib/channel.model';
 export * from './lib/epg-channel-with-programs.interface';
+export * from './lib/epg-channel-metadata.model';
 export * from './lib/epg-channel.model';
 export * from './lib/epg-item.interface';
 export * from './lib/epg-program.model';