[Room] Add some furnitures

locales/ja-JP.yml

@@ -2344,3 +2344,5 @@ room:
     rubik-cube: "ルービックキューブ"
     poster-h: "ポスター(横長)"
     poster-v: "ポスター(縦長)"
+    sofa: "ソファ"
+    spiral: "螺旋階段"

src/client/app/common/scripts/room/furnitures.json5

@@ -321,4 +321,24 @@
 			},
 		},
 	},
+	{
+		id: "sofa",
+		place: "floor",
+		props: {
+			color: 'color'
+		},
+		color: {
+			Sofa: 'color'
+		}
+	},
+	{
+		id: "spiral",
+		place: "floor",
+		props: {
+			color: 'color'
+		},
+		color: {
+			Step: 'color'
+		}
+	},
 ]