Bulk Add to Collection (#674)

* Fixed the typeahead not having the same size input box as other inputs

* Implemented the ability to add multiple series to a collection through bulk operations flow. Updated book parser to handle "@import url('...');" syntax as well as @import '...';

* Implemented the ability to create a new Collection tag via bulk operations flow.

API/Interfaces/Repositories/ISeriesMetadataRepository.cs

@@ -0,0 +1,9 @@
+using API.Entities;
+
+namespace API.Interfaces.Repositories
+{
+    public interface ISeriesMetadataRepository
+    {
+        void Update(SeriesMetadata seriesMetadata);
+    }
+}