Conform error state data object and move error state to App object

src/App.vue

@@ -15,6 +15,7 @@
 		<Join-Or-Host
 			v-else-if="state == 'game-type'"
 			@go-to="state = $event"
+			@error="error = $event"
 		/>
 		<Game-Code
 			v-else-if="state == 'game-code'"

src/views/JoinHost.vue

@@ -44,7 +44,11 @@ export default {
 				sessionStorage.setItem(`host`, true);
 				this.$emit(`go-to`, `lobby`);
 			} else {
-				this.error = data.error_message
+				console.error(data.message);
+				this.$emit(`error`, {
+					message: data.message,
+					classes: [`error`]
+				});
 			};
 		}
 	},