Electronによる掲示板ビューア Siki Part40

>>409
profile\components\wheel.js編集
```
"#popupcanvas": {
"U": [
"popupviewer:image.prev"
],
"D": [
"popupviewer:image.next"
],
```
↓
```
"#popupcanvas": {
"U": [
"popupviewer:image.zoom.up"
],
"D": [
"popupviewer:image.zoom.out"
],
```