chore: make SigScanner public, have separate service TargetSigScanner that resolves via ISigScanner (closes #1426)

Dalamud/Game/TargetSigScanner.cs

@@ -0,0 +1,28 @@
+using System.Diagnostics;
+using System.IO;
+
+using Dalamud.IoC;
+using Dalamud.IoC.Internal;
+
+namespace Dalamud.Game;
+
+/// <summary>
+/// A SigScanner facilitates searching for memory signatures in a given ProcessModule.
+/// </summary>
+[PluginInterface]
+[InterfaceVersion("1.0")]
+#pragma warning disable SA1015
+[ResolveVia<ISigScanner>]
+#pragma warning restore SA1015
+internal class TargetSigScanner : SigScanner, IServiceType
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="TargetSigScanner"/> class.
+    /// </summary>
+    /// <param name="doCopy">Whether or not to copy the module upon initialization for search operations to use, as to not get disturbed by possible hooks.</param>
+    /// <param name="cacheFile">File used to cached signatures.</param>
+    public TargetSigScanner(bool doCopy = false, FileInfo? cacheFile = null)
+        : base(Process.GetCurrentProcess().MainModule!, doCopy, cacheFile)
+    {
+    }
+}