fixed shoelace static dependencies w/ vite

frontend/package.json

@@ -13,6 +13,7 @@
 		"ts-lit-plugin": "^2.0.2",
 		"typescript-lit-html-plugin": "^0.9.0",
 		"vite": "^6.2.3",
+		"vite-plugin-static-copy": "^2.3.1",
 		"vite-tsconfig-paths": "^5.1.4"
 	}
 }