feat: non-generic FNV1a hasher added

Engine.Systems/Network/Hasher.cs

@@ -0,0 +1,21 @@
+namespace Engine.Systems.Network;
+
+public static class Hasher
+{
+    public static long FNV1a(string name)
+    {
+        const long fnvPrime = 1099511628211;
+        long result = 1469598103934665603;
+
+        unchecked
+        {
+            foreach (char c in name)
+            {
+                result ^= c;
+                result *= fnvPrime;
+            }
+        }
+
+        return result;
+    }
+}

Engine.Systems/Network/TypeHasher.cs

@@ -8,18 +8,7 @@ public static class TypeHasher<T>
         get
         {
             if (_fnv1a == 0)
-                unchecked
-                {
-                    const long fnvPrime = 1099511628211;
-                    _fnv1a = 1469598103934665603;
-
-                    string typeName = typeof(T).FullName ?? typeof(T).Name;
-                    foreach (char c in typeName)
-                    {
-                        _fnv1a ^= c;
-                        _fnv1a *= fnvPrime;
-                    }
-                }
+                _fnv1a = Hasher.FNV1a(typeof(T).FullName ?? typeof(T).Name);
 
             return _fnv1a;
         }