[Website] move site directory to the top level

site/content/posts/my-first-post.md

@@ -1,7 +1,7 @@
 ---
 title: "Welcome to Serene's website"
 date: 2021-01-01T22:08:28Z
-draft: true
+draft: false
 ---
 
 We’ll have posts available here about important news and features.