chore: move exception to separate file

Dalamud/ServiceManager.cs

@@ -84,7 +84,7 @@ internal static class ServiceManager
     /// </summary>
     /// <param name="dalamud">Instance of <see cref="Dalamud"/>.</param>
     /// <param name="startInfo">Instance of <see cref="DalamudStartInfo"/>.</param>
-    /// <param name="fs">Instance of <see cref="ReliableFileStorage"/></param>
+    /// <param name="fs">Instance of <see cref="ReliableFileStorage"/>.</param>
     /// <param name="configuration">Instance of <see cref="DalamudConfiguration"/>.</param>
     public static void InitializeProvidedServicesAndClientStructs(Dalamud dalamud, DalamudStartInfo startInfo, ReliableFileStorage fs, DalamudConfiguration configuration)
     {

Dalamud/Storage/FileReadException.cs

@@ -0,0 +1,16 @@
+namespace Dalamud.Storage;
+
+/// <summary>
+/// Thrown if all read operations fail.
+/// </summary>
+public class FileReadException : Exception
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="FileReadException"/> class.
+    /// </summary>
+    /// <param name="inner">Inner error that caused this exception.</param>
+    internal FileReadException(Exception inner)
+        : base("Failed to read file", inner)
+    {
+    }
+}

Dalamud/Storage/ReliableFileStorage.cs

@@ -280,11 +280,3 @@ public class ReliableFileStorage : IServiceType, IDisposable
         public byte[] Data { get; set; } = null!;
     }
 }
-
-public class FileReadException : Exception
-{
-    public FileReadException(Exception inner)
-        : base("Failed to read file", inner)
-    {
-    }
-}