Added but did not complete the repository for cover art, updated migration script to create migration for CoverArt, and prepping for the cover art api

Models/CoverArt.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Text;
 
 using Newtonsoft.Json;
@@ -8,10 +9,13 @@ namespace Icarus.Models
     public class CoverArt
     {
         [JsonProperty("id")]
-        public int Id { get; set; }
+        public int CoverArtId { get; set; }
         [JsonProperty("title")]
 	public string SongTitle { get; set; }
         [JsonIgnore]
 	public string ImagePath { get; set; }
+
+	[JsonIgnore]
+	public List<Song> Songs { get; set; }
     }
 }

Models/Song.cs

@@ -45,5 +45,10 @@ namespace Icarus.Models
 	public Year SongYear { get; set; }
 	[JsonIgnore]
 	public int? YearId { get; set; }
+
+	[JsonIgnore]
+	public CoverArt SongCoverArt { get; set; }
+	[JsonIgnore]
+	public int? CoverArtId { get; set; }
     }
 }