feat: add CW decoder and linear calculator page

feature/cw/src/main/java/k3/a.java

@@ -0,0 +1,11 @@
+package k3;
+
+import java.lang.Thread;
+
+/* loaded from: classes.dex */
+public final class a implements Thread.UncaughtExceptionHandler {
+    @Override // java.lang.Thread.UncaughtExceptionHandler
+    public final void uncaughtException(Thread thread, Throwable th) {
+        th.printStackTrace();
+    }
+}