updated node version

.gitlab-ci.yml

@@ -5,8 +5,8 @@ pages:
     paths:
       - node_modules/
   script:
-    - yarn install --ignore-platform
-    - yarn run build
+    - npm install
+    - npm run build
   artifacts:
     paths:
       - public

package.json

@@ -10,7 +10,7 @@
     "start": "vuepress dev docs",
     "build": "vuepress build docs"
   },
-  "devDependencies": {
+  "dependencies": {
     "vuepress": "^1.9.10"
   }
-}
\ No newline at end of file
+}