chore: demo build

package.json

@@ -41,7 +41,8 @@
   },
   "scripts": {
     "serve": "vue-cli-service serve --open",
-    "build": "vue-cli-service build --target lib --name vue-ganttastic lib/index.js",
+    "demo:build": "vue-cli-service build",
+    "lib:build": "vue-cli-service build --target lib --name vue-ganttastic lib/index.js",
     "lint": "vue-cli-service lint"
   },
   "dependencies": {

src/App.vue

@@ -252,7 +252,7 @@ export default {
         '2020-03-29'
       ],
       theme: 'vue', // 'default', 'vue', 'dark', 'material-blue', 'creamy', 'slumber', 'sky', 'crimson', 'grove', 'fuchsia', 'flare'
-      width: '1100px',
+      width: '90vw',
       height: '250px',
       allowAdd: false,
       rows: [