Updated README

Author: souvikmajumder26

README.md

@@ -27,8 +27,8 @@
 - [Key Features](#key-features)
 - [Tech Stack](#technology-stack)
 - [Installation and Setup](#installation-setup)
-- - [Using Docker](#docker-setup)
-- - [Manual Installation](#manual-setup)
+  - [Using Docker](#docker-setup)
+  - [Manual Installation](#manual-setup)
 - [Usage](#usage)
 - [Contributions](#contributions)
 - [License](#license)