First go

will add comments in draft pull request

API/Entities/EpubFont.cs

@@ -0,0 +1,37 @@
+using System;
+using API.Entities.Enums.Font;
+using API.Entities.Interfaces;
+using API.Services;
+
+namespace API.Entities;
+
+/// <summary>
+/// Represents a user provider font to be used in the epub reader
+/// </summary>
+public class EpubFont: IEntityDate
+{
+    public int Id { get; set; }
+
+    /// <summary>
+    /// Name of the font
+    /// </summary>
+    public required string Name { get; set; }
+    /// <summary>
+    /// Normalized name for lookups
+    /// </summary>
+    public required string NormalizedName { get; set; }
+    /// <summary>
+    /// Filename of the font, stored under <see cref="DirectoryService.EpubFontDirectory"/>
+    /// </summary>
+    /// <remarks>System provided fonts use an alternative location as they are packaged with the app</remarks>
+    public required string FileName { get; set; }
+    /// <summary>
+    /// Where the font came from
+    /// </summary>
+    public FontProvider Provider { get; set; }
+
+    public DateTime Created { get; set; }
+    public DateTime CreatedUtc { get; set; }
+    public DateTime LastModified { get; set; }
+    public DateTime LastModifiedUtc { get; set; }
+}