basic building structures

buildings/arms_building.cs

@@ -0,0 +1,9 @@
+using Godot;
+
+public partial class arms_building : base_building
+{
+    [Export]
+    public int Megaton { get; set; } = 1;
+    [Export]
+    public int Approval { get; set; } = -1;
+}