fix: remove the underline under the main title

Signed-off-by: badaljain <badal.jain77@gmail.com>

Author: badaljain

README.md

@@ -1,6 +1,6 @@
 <img alt="LitmusChaos" src="https://avatars.githubusercontent.com/u/49853472?s=200&v=4" width="200" align="left">
 
-# Documentation for the Litmus Project
+<span style="font-size:2em; font-weight:700;">Documentation for the Litmus Project</span>
 
 [![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgithub.com%2Flitmuschaos%2Flitmus-docs.svg?type=shield)](https://app.fossa.com/projects/git%2Bgithub.com%2Flitmuschaos%2Flitmus-docs?ref=badge_shield)
 [![Slack Channel](https://img.shields.io/badge/Slack-Join-purple)](https://slack.litmuschaos.io)
@@ -59,7 +59,9 @@ _Check the difference:_
 - Executing `embedmd -d docs-name.md` will display the difference between the contents of docs-name.md and the output of embedmd docs-name.md.
 
 ## Manual Setup
+
 ### Pre-Requisites
+
 - Node.js 16.14 or above. It can be installed from [here](https://nodejs.org/en/download/).
 
 ### Start the server