docs: enable table of content

Signed-off-by: Wing-Kam Wong <wingkwong.code@gmail.com>

packages/noco-docs/content/en/setup-and-usages/installation.md

@@ -3,21 +3,20 @@ title: 'Setup and Usages'
 description: 'Simple installation - takes about three minutes!'
 position: 1
 category: 'Setup and Usages'
-fullscreen: true
 menuTitle: 'Installation'
 link: https://codesandbox.io/embed/vigorous-firefly-80kq5?hidenavigation=1&theme=dark
 ---
 
-## Simple installation - takes about three minutes!
+Simple installation - takes about three minutes!
 
-### Prerequisites
+## Prerequisites
 
 - __Must haves__
     * [node.js >= 12](https://nodejs.org/en/download) / [Docker](https://www.docker.com/get-started)
     * [MySql](https://dev.mysql.com/downloads/mysql/) / [Postgres](https://www.postgresql.org/download/) / [SQLserver](https://www.microsoft.com/en-gb/sql-server/sql-server-downloads) / SQLite Database
 - Nice to haves
     - Existing schemas can help to create APIs quickly.
-    - An example database schema can be found : <a class="grey--text" href="https://github.com/lerocha/chinook-database/tree/master/ChinookDatabase/DataSources"> <u>here</u> </a>
+    - An example database schema can be found <a class="grey--text" href="https://github.com/lerocha/chinook-database/tree/master/ChinookDatabase/DataSources"> <u>here</u></a>.
     
 ## Quick try
 ### 1-Click Deploy