chore(replay): scaffold project with machine builder and frame types

src/Chip8.Replay/RomHash.cs

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+using System;
+using System.Globalization;
+
+namespace Chip8.Replay;
+
+public static class RomHash
+{
+    const ulong fnvOffsetBasis = 14695981039346656037UL;
+    const ulong fnvPrime = 1099511628211UL;
+
+    public static ulong compute(byte[] rom)
+    {
+        ulong hash = fnvOffsetBasis;
+        foreach (byte value in rom)
+        {
+            hash ^= value;
+            hash *= fnvPrime;
+        }
+        return hash;
+    }
+
+    public static string toHex(byte[] rom) => format(compute(rom));
+
+    public static string format(ulong hash) => hash.ToString("X16", CultureInfo.InvariantCulture);
+
+    public static ulong parse(string hex) =>
+        ulong.Parse(hex, NumberStyles.HexNumber, CultureInfo.InvariantCulture);
+}