+added console spport for lyngio

+added console support to lyng/jlyng CLI
+added unicode escapes
+created tetris console sample

lyngio/src/wasmJsMain/kotlin/net/sergeych/lyngio/console/ConsoleFlowDebugWasmJs.kt

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2026 Sergey S. Chernov real.sergeych@gmail.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package net.sergeych.lyngio.console
+
+internal actual fun consoleFlowDebug(message: String, error: Throwable?) {
+    // no-op on wasmJs
+}