Sam anti nuke missile launcher (#176)

now with better name

---------

Co-authored-by: evanpelle <evanpelle@gmail.com>

src/client/graphics/layers/StructureLayer.ts

@@ -5,6 +5,7 @@ import { EventBus } from "../../../core/EventBus";
 
 import anchorIcon from "../../../../resources/images/buildings/port1.png";
 import missileSiloIcon from "../../../../resources/images/buildings/silo1.png";
+import SAMMissileIcon from "../../../../resources/images/buildings/extra/silo4.png";
 import shieldIcon from "../../../../resources/images/buildings/fortAlt2.png";
 import cityIcon from "../../../../resources/images/buildings/cityAlt1.png";
 import { GameView, UnitView } from "../../../core/game/GameView";
@@ -48,6 +49,11 @@ export class StructureLayer implements Layer {
       borderRadius: 8,
       territoryRadius: 6,
     },
+    [UnitType.SAMLauncher]: {
+      icon: SAMMissileIcon,
+      borderRadius: 8,
+      territoryRadius: 6,
+    },
   };
 
   constructor(