docs: Added git as in the prerequisites section of the Quickstart Guide

Fixes: medusajs#2850

docs/content/quickstart/quick-start.md

@@ -1,3 +1,7 @@
+import styles from './development.module.css';
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
+
 # Quickstart
 
 This document will guide you through setting up your Medusa server in a few minutes.
@@ -12,6 +16,42 @@ node -v
 
 You can install Node from the [official website](https://nodejs.org/en/).
 
+### Git
+
+Medusa uses Git behind the scenes when you create a new project so you'll have to install it on your computer to get started.
+
+<Tabs groupId="operating-systems" wrapperClassName={styles.osTabs}>
+<TabItem value="windows" label="Windows" default>
+
+To install Git on Windows, you need to [download the installable package](https://git-scm.com/download/win).
+
+</TabItem>
+<TabItem value="linux" label="Linux">
+
+For Debian/Ubuntu, you can use the following command:
+
+```bash
+apt-get install git
+```
+
+As for other Linux distributions, please check [git’s guide](https://git-scm.com/download/linux).
+
+</TabItem>
+<TabItem value="macos" label="macOS">
+
+You should already have Git installed as part of the Xcode command-line tools.
+
+However, if for any reason you need to install it manually, you can install it with Homebrew:
+
+```bash
+brew install git
+```
+
+You can also check out [git’s guide](https://git-scm.com/download/mac) for more installation options.
+
+</TabItem>
+</Tabs>
+
 ## Create a Medusa Server
 
 :::tip