Added preview image shared by @thejeshgn to the webapps course

[anandology]

Also removed a couple of tags to them don't come on top of the preview image.

Issue #27

@thejeshgn, please review.

[netlify[bot]]

✔️ Deploy Preview for monschool ready!

🔨 Explore the source changes: 2d9cca11e154940071b5fe664d72e7b11c4b1cd9

🔍 Inspect the deploy log: https://app.netlify.com/sites/monschool/deploys/61a27b9414ce8a00084e855b

😎 Browse the preview: https://deploy-preview-33--monschool.netlify.app

[anandology]

This is how it looks now.

Issue #27