Separate protections into their own classes

BurnOutSharp/ProtectionType/AlphaROM.cs

@@ -0,0 +1,13 @@
+namespace BurnOutSharp.ProtectionType
+{
+    public class AlphaROM
+    {
+        public static string CheckContents(string fileContent)
+        {
+            if (fileContent.Contains("SETTEC"))
+                return "Alpha-ROM";
+
+            return null;
+        }
+    }
+}