Slow Cooker Chicken Ratatouille

medium zucchin (courgettes)i, sliced

medium yellow summer squash, sliced

large red bell pepper, sliced

small eggplant (aubergine), cut in chunks

large tomatoes, diced -OR- 1 can (15 oz) petit diced tomatoes, drained

basil -OR- ¼ cup fresh chopped

oregano

thyme -OR- 3-4 sprigs fresh

large cloves garlic, crushed

medium boneless skinless chicken breasts, cut in 1-inch chunks