docs(readme): new section added (#1915)

## Description
Get started section added to the README file


## Motivation
Users can follow a couple of steps to run frontend locally.


## Fixes:
Please provide a list of the fixes implemented in this PR

* Items added


## Changes:
Please provide a list of the changes implemented by this PR

* changes made


## Tests included
- [ ] Included for each change/fix?
- [ ] Passing? (Merge will not be approved unless this is checked) 

## Documentation
- [ ] swagger documentation updated \[required\]
- [ ] official documentation updated \[nice-to-have\]

### official documentation info
If you have updated the official documentation, please provide PR # and
URL of the pages where the updates are included

## Backend version
- [ ] Does it require a specific version of the backend
- which version of the backend is required:

## Summary by Sourcery

Documentation:
- Introduce a “Get started” section in README detailing Node.js/npm
requirements, repository cloning, dependency installation, and startup
steps

Author: abdimo101

README.md

@@ -20,6 +20,13 @@ For the full documentation please go to the [SciCat home page](https://scicatpro
 
 - [Site logo related images](SITE-LOGO-CONFIGURATION.md)
 
+## Get started
+
+1. Ensure you have Node.js 18+ and npm installed (https://nodejs.org/en).
+2. `git clone https://github.com/SciCatProject/frontend.git`
+3. `npm install`
+4. `npm run start`
+
 ## License
 
 See the [LICENSE](LICENSE) file for details.