Modified Song model, added more functionality to the Album context and store, and need to work on how album records are handled when uploading songs. I left TODO's on where to pick up. #22, #25, #29

Startup.cs

@@ -100,6 +100,8 @@ namespace Icarus
 							.GetConnectionString("DefaultConnection"))));
 
 			services.AddDbContext<SongContext>(options => options.UseMySQL(connString));
+			services.AddDbContext<AlbumContext>(options => options.UseMySQL(connString));
+			services.AddDbContext<ArtistContext>(options => options.UseMySQL(connString));
 			services.AddDbContext<UserContext>(options => options.UseMySQL(connString));
         	}