Added Xray to Test Tools

README.md

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 <a href="https://jmeter.apache.org/" target="_blank" rel="noreferrer"><picture><source media="(prefers-color-scheme: dark)" srcset="./icons/skills/jmeter-dark.svg" /><source media="(prefers-color-scheme: light)" srcset="./icons/skills/jmeter.svg" /><img src="./icons/skills/jmeter.svg" width=36 height=36 /></picture> JMeter </a>
 <a href="https://www.postman.com/" target="_blank" rel="noreferrer"><picture><source media="(prefers-color-scheme: dark)" srcset="./icons/skills/postman.svg" /><source media="(prefers-color-scheme: light)" srcset="./icons/skills/postman.svg" /><img src="./icons/skills/postman.svg" width=36 height=36 /></picture> Postman </a>
 <a href="https://insomnia.rest/" target="_blank" rel="noreferrer"><picture><source media="(prefers-color-scheme: dark)" srcset="./icons/skills/insomnia.svg" /><source media="(prefers-color-scheme: light)" srcset="./icons/skills/insomnia.svg" /><img src="./icons/skills/insomnia.svg" width=36 height=36 /></picture> Insomnia </a>
+<a href="https://marketplace.atlassian.com/apps/1211769/xray-test-management-for-jira" target="_blank" rel="noreferrer"><picture><source media="(prefers-color-scheme: dark)" srcset="./icons/skills/xray-dark.png" /><source media="(prefers-color-scheme: light)" srcset="./icons/skills/xray.png" /><img src="./icons/skills/xray.png" width=36 height=36 /></picture> Xray </a>
 </p>
 
 ### CI/CD Workflows and Pipelines