feat(widget): Initialize placeholder widget

src/widgets/index.ts

@@ -14,10 +14,12 @@ import { widget as graphWidget } from './graph-widget';
 import { widget as waveformWidget } from './waveform-widget';
 import { widget as spectrogramWidget } from './spectrogram-widget';
 import { widget as gpsDetails } from './gps-details';
+import { widget as placeholderWidget } from './placeholder-widget';
 // IMPORT_INSERT_MARK
 
 export const projectWidgets: Widget[] = [
 	// ARRAY_FIRST_ELEMENT_INSERT_MARK
+	placeholderWidget,
 	gpsDetails,
 	spectrogramWidget,
 	mapWidget,

src/widgets/placeholder-widget/index.ts

@@ -0,0 +1,7 @@
+import { Widget } from '@wuespace/telestion-client-types';
+import { Widget as WidgetRenderer } from './widget';
+
+export const widget: Widget = {
+	name: 'placeholderWidget',
+	Widget: WidgetRenderer
+};

src/widgets/placeholder-widget/widget.tsx

@@ -0,0 +1,5 @@
+import { Heading } from '@adobe/react-spectrum';
+
+export function Widget() {
+	return <Heading level={2}>placeholderWidget widget</Heading>;
+}