Worker threads message

src/sudoku/index.ts

@@ -27,6 +27,7 @@ function getWorker() {
 const available: any = [];
 
 function initialize() {
+  console.log(`Starting ${WORKERS} worker threads`);
   for (let n = 0; n < WORKERS; n++) {
     getWorker().then((worker) => available.push(worker));
   }