feat: add delay tab

src/pages/DspPage/DspPage.tsx

@@ -9,6 +9,7 @@ import { DSP408Device } from '../../hooks/useDSP408';
 import './DspPage.css';
 import GateSection from '../../components/dsp408/GateSection/GateSection';
 import LimiterSection from '../../components/dsp408/LimiterSection/LimiterSection';
+import DelaySection from '../../components/dsp408/DelaySection/DelaySection';
 import LoadingOverlay from '../../components/LoadingOverlay/LoadingOverlay';
 import { InputChannel, OutputChannel } from '../../types/dsp408State';
 
@@ -187,6 +188,16 @@ function DSPPage({ dsp, dsp408 }: { dsp: DSP; dsp408: DSP408Device }) {
       case 'limiter':
         return <LimiterSection dsp={dsp} set_limiter={dsp408.setLimiter} />;
 
+      case 'delay':
+        return (
+          <DelaySection
+            dsp={dsp}
+            setDelay={dsp408.setDelay}
+            setDelayUnit={dsp408.setDelayUnit}
+            setDSPState={dsp408.setDSPState}
+          />
+        );
+
       default:
         return null;
     }