docs: add readme for testing suite

cypress/README.md

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+[![AsyncAPI Banner and Logo](./public/img/logos/github-repobanner-website.png)](https://www.asyncapi.com)
+
+--- 
+## Overview 
+
+This folder contains the test code of AsyncAPI website : 
+
+- It's powered by [Cypress](https://docs.cypress.io/guides/overview/why-cypress).
+
+- It utilises [Cypress/react] to provide some additional functionalites to Cypress . 
+
+- Unlike traditional testing tools, Cypress operates directly within the browser, providing real-time feedback as tests execute. This allows developers to see the application's behavior as tests run and pinpoint issues more effectively.
+
+- Component testing in Cypress refers to the practice of testing individual components of a web application in isolation. 
+These tests can help ensure that components function as expected and interact correctly with other parts of the application.
+
+- End-to-end (E2E) testing in Cypress involves testing an entire web application from start to finish to ensure that all its components, interactions, and workflows function correctly as a cohesive whole. E2E tests simulate user behavior and interactions, providing a comprehensive validation of the application's functionality.
+
+## Requirements 
+Use the following tools to set up the project:
+- [Cypress] (This is installed as a dev-dependency).
+
+## Run tests locally 
+
+Assuming you have all the necessary website dependencies installed: 
+
+1. Run it and check on the Cypress Graphical User Interface 
+```bash
+    npm run cy:open
+```
+(You can check out the tests and their outputs on the Cypress Window)
+
+2. Run it on your local CLI  
+```bash
+    npm run test 
+```
+
+## Cypress Folder structure
+```text
+  ├── downloads                   # Any necessary downloads for the tests 
+  ├── fixtures                    # Stores all the mock data files used in various tests 
+  ├── plugins                     # Used to create additional functionalities in Cypress(if required)
+  ├── support                     # Main skeleton for the Cypress tests , Custom commands can be added here
+  ├── test                       # Source for the entire testing suite
+  ├── utils                      # Necessary Reusable Code and components for writing tests.
+  file
+```
+
+## Add your own tests 
+
+To add your own tests follow the following steps : 
+
+1. Navigate to the "test" folder  . 
+
+2. Add tests in the respective testing folder : 
+For eg : Include tests for "scripts" in the scripts folder . 
+For creating a new component , create a new folder with the same name as component is named in the code . 
+
+3. Create testing files using extension "cy.js"