fix(client): move react-accessible-accordin to deps

Author: hiroppy

packages/client/package-lock.json

@@ -22,6 +22,7 @@
     "modern-normalize": "^1.0.0",
     "prismjs": "^1.23.0",
     "react": "^17.0.1",
+    "react-accessible-accordion": "^3.3.3",
     "react-burger-menu": "^3.0.3",
     "react-canvas-draw": "^1.1.1",
     "react-dom": "^17.0.1",
@@ -32,8 +33,5 @@
     "screenfull": "^5.1.0",
     "swiper": "^6.4.10",
     "vm-browserify": "^1.1.2"
-  },
-  "devDependencies": {
-    "react-accessible-accordion": "^3.3.3"
   }
 }

packages/client/package.json

@@ -160,7 +160,7 @@ module.exports = (
         filename: 'index.html',
         title: title || 'slide',
         template: join(__dirname, 'template.ejs'),
-        image: thumbnail || `${url.endsWith('/') ? url : `${url}/`}thumbnail.png`,
+        image: thumbnail || `${url && url.endsWith('/') ? url : `${url}/`}thumbnail.png`,
         siteName,
         description,
         math,