chore: adding missing examples in the gallery for several chart types (#22597)

superset-frontend/plugins/plugin-chart-echarts/src/Funnel/index.ts

@@ -21,6 +21,7 @@ import buildQuery from './buildQuery';
 import controlPanel from './controlPanel';
 import transformProps from './transformProps';
 import thumbnail from './images/thumbnail.png';
+import example from './images/example.jpg';
 import { EchartsFunnelChartProps, EchartsFunnelFormData } from './types';
 
 export default class EchartsFunnelChartPlugin extends ChartPlugin<
@@ -49,6 +50,7 @@ export default class EchartsFunnelChartPlugin extends ChartPlugin<
         description: t(
           'Showcases how a metric changes as the funnel progresses. This classic chart is useful for visualizing drop-off between stages in a pipeline or lifecycle.',
         ),
+        exampleGallery: [{ url: example }],
         name: t('Funnel Chart'),
         tags: [
           t('Business'),

superset-frontend/plugins/plugin-chart-echarts/src/Gauge/index.ts

@@ -20,6 +20,8 @@ import { t, ChartMetadata, ChartPlugin, Behavior } from '@superset-ui/core';
 import controlPanel from './controlPanel';
 import transformProps from './transformProps';
 import thumbnail from './images/thumbnail.png';
+import example1 from './images/example1.jpg';
+import example2 from './images/example2.jpg';
 import buildQuery from './buildQuery';
 import { EchartsGaugeChartProps, EchartsGaugeFormData } from './types';
 
@@ -39,6 +41,7 @@ export default class EchartsGaugeChartPlugin extends ChartPlugin<
         description: t(
           'Uses a gauge to showcase progress of a metric towards a target. The position of the dial represents the progress and the terminal value in the gauge represents the target value.',
         ),
+        exampleGallery: [{ url: example1 }, { url: example2 }],
         name: t('Gauge Chart'),
         tags: [
           t('Multi-Variables'),

superset-frontend/plugins/plugin-chart-echarts/src/Graph/index.ts

@@ -20,6 +20,7 @@ import { t, ChartMetadata, ChartPlugin, Behavior } from '@superset-ui/core';
 import controlPanel from './controlPanel';
 import transformProps from './transformProps';
 import thumbnail from './images/thumbnail.png';
+import example from './images/example.jpg';
 import buildQuery from './buildQuery';
 
 export default class EchartsGraphChartPlugin extends ChartPlugin {
@@ -34,6 +35,7 @@ export default class EchartsGraphChartPlugin extends ChartPlugin {
         description: t(
           'Displays connections between entities in a graph structure. Useful for mapping relationships and showing which nodes are important in a network. Graph charts can be configured to be force-directed or circulate. If your data has a geospatial component, try the deck.gl Arc chart.',
         ),
+        exampleGallery: [{ url: example }],
         name: t('Graph Chart'),
         tags: [
           t('Aesthetic'),

superset-frontend/plugins/plugin-chart-echarts/src/Radar/index.ts

@@ -22,6 +22,8 @@ import buildQuery from './buildQuery';
 import controlPanel from './controlPanel';
 import transformProps from './transformProps';
 import thumbnail from './images/thumbnail.png';
+import example1 from './images/example1.jpg';
+import example2 from './images/example2.jpg';
 import { EchartsRadarChartProps, EchartsRadarFormData } from './types';
 
 export default class EchartsRadarChartPlugin extends ChartPlugin<
@@ -50,6 +52,7 @@ export default class EchartsRadarChartPlugin extends ChartPlugin<
         description: t(
           'Visualize a parallel set of metrics across multiple groups. Each group is visualized using its own line of points and each metric is represented as an edge in the chart.',
         ),
+        exampleGallery: [{ url: example1 }, { url: example2 }],
         name: t('Radar Chart'),
         tags: [
           t('Business'),