add multiselect and movie tags (#62)

* add basic selection behavior to search results

* add search scrolling, selection actions

* include shows in multiselect

* multiselect movies, shows, collection items

* add movie and show tags

* code cleanup

* update show screenshot

ErsatzTV.Application/Movies/Mapper.cs

@@ -15,7 +15,8 @@ namespace ErsatzTV.Application.Movies
                 metadata.Plot,
                 Artwork(metadata, ArtworkKind.Poster),
                 Artwork(metadata, ArtworkKind.FanArt),
-                metadata.Genres.Map(g => g.Name).ToList());
+                metadata.Genres.Map(g => g.Name).ToList(),
+                metadata.Tags.Map(t => t.Name).ToList());
         }
 
         private static string Artwork(Metadata metadata, ArtworkKind artworkKind) =>

ErsatzTV.Application/Movies/MovieViewModel.cs

@@ -8,5 +8,6 @@ namespace ErsatzTV.Application.Movies
         string Plot,
         string Poster,
         string FanArt,
-        List<string> Genres);
+        List<string> Genres,
+        List<string> Tags);
 }