Create a arguments system

Arguments/IArgument.cs

@@ -0,0 +1,49 @@
+namespace LibAC.Arguments
+{
+    /// <summary>
+    /// Defines the base interface for an argument.
+    /// </summary>
+    public interface IArgument
+    {
+        /// <summary>
+        /// Gets the unique key identifying the argument.
+        /// The setter is private to ensure immutability outside the implementing class.
+        /// </summary>
+        string Key { get; set; }
+
+        /// <summary>
+        /// Obtains the value of the argument.
+        /// </summary>
+        /// <returns>The value of the argument as an object, or null if no value is present.</returns>
+        object? GetValue();
+
+        /// <summary>
+        /// Gets the type of the value this argument holds.
+        /// </summary>
+        /// <returns>The <see cref="ArgumentType"/> of the argument value.</returns>
+        ArgumentType GetValueType();
+
+        /// <summary>
+        /// Indicates whether this argument has a value assigned.
+        /// </summary>
+        /// <returns><c>true</c> if the argument has a value; otherwise, <c>false</c>.</returns>
+        bool HasValue();
+        
+        /// <summary>
+        /// For CLI Help only. Indicates whether the argument is required or not
+        /// </summary>
+        bool required { set; }
+    }
+
+    /// <summary>
+    /// Defines the types of arguments supported.
+    /// </summary>
+    public enum ArgumentType
+    {
+        String,
+        Integer,
+        Boolean,
+        Float,
+        Double
+    }
+}