chore: correct typo Official to Official (close #87) (#88)

Kocal · billyyyyy3320 · commit 96785cd142be · 2020-11-10T23:31:39.000+08:00
diff --git a/docs/.vuepress/config.js b/docs/.vuepress/config.js
@@ -1,6 +1,6 @@
 module.exports = {
   title: '@vuepress/plugin-blog',
-  description: 'Offical blog plugin for VuePress',
+  description: 'Official blog plugin for VuePress',
   themeConfig: {
     repo: 'vuepressjs/vuepress-plugin-blog',
     docsDir: 'docs',
