Bake all inputs, not just the active tab.

Limits number of workers to number of cpu threads (4 if not supported)
Creates output tabs (switching doesn't work yet)
Disabled some highlighting for now.

src/web/Manager.mjs

@@ -82,7 +82,7 @@ class Manager {
      * Sets up the various components and listeners.
      */
     setup() {
-        this.worker.registerChefWorker();
+        this.worker.setupChefWorkers();
         this.recipe.initialiseOperationDragNDrop();
         this.controls.initComponents();
         this.controls.autoBakeChange();