add webinar thumbnails

[Susmita-Dey]

Fixes Issue

This PR fixes the following issues:

closes #issue-number

Changes proposed

Here comes all the changes proposed through this PR

Check List (Check all the boxes which are applicable)

• [ ] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] All new and existing tests passed.
• [ ] This PR does not contain plagiarized content.
• [ ] The title of my pull request is a short description of the requested changes.

Screenshots

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Summary by CodeRabbit

Release Notes for Pull Request

• Refactor: Updated the webinar images and titles in ConfigurationAsCode.js, DeployWithFeatureFlags.js, and HeadlessBrowser.js to better reflect their content. This change enhances the user experience by providing more accurate visual and textual information about each webinar.

Please note that these changes do not affect any functionality or introduce new features. They are purely cosmetic updates aimed at improving the user interface and experience.

[coderabbitai[bot]]

Walkthrough

This pull request primarily updates the images and titles for several webinars. The changes are confined to import statements and string literals, with no alterations to function signatures, data structures, or interfaces.

Changes

File	Summary
.../ConfigurationAsCode.js	Updated image from "Observability-devops.jpg" to "configuration-as-code.png". Title changed to "Configuration As A Code: Automating Application Configuration".
.../DeployWithFeatureFlags.js	Image updated from 'Observability-devops.jpg' to 'Deploy-With-Feature-Flags.png'.
.../HeadlessBrowser.js	Image updated from 'Observability-devops.jpg' to 'headless-browser.png'.

🐇

In the land of code, where the shadows lie, Images and titles, under the sky. No logic altered, no structure broke, Just a gentle brush, with a lighter stroke.

Through the lens of a rabbit, hopping with glee, Celebrate these changes, as simple as can be! 🎉

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