update readme and rename html file

[Gasta-Marc-Oliver]

Please review my code again @alima-kailamarie. Thank you so much!

[netlify[bot]]

❌ Deploy Preview for gastao failed.

Name	Link
🔨 Latest commit	e56b52970b8a7a21261589e26f8e5ed36c76c5bd
🔍 Latest deploy log	https://app.netlify.com/sites/gastao/deploys/6633a303ce3dc10008468dbb

[netlify[bot]]

✅ Deploy Preview for timer-gasta ready!

Name	Link
🔨 Latest commit	e56b52970b8a7a21261589e26f8e5ed36c76c5bd
🔍 Latest deploy log	https://app.netlify.com/sites/timer-gasta/deploys/6633a3034fbff700080c01af
😎 Deploy Preview	https://deploy-preview-3--timer-gasta.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[netlify[bot]]

❌ Deploy Preview for gastadit failed.

Name	Link
🔨 Latest commit	e56b52970b8a7a21261589e26f8e5ed36c76c5bd
🔍 Latest deploy log	https://app.netlify.com/sites/gastadit/deploys/6633a303d394f900080d078a

[netlify[bot]]

✅ Deploy Preview for gasta2 ready!

Name	Link
🔨 Latest commit	e56b52970b8a7a21261589e26f8e5ed36c76c5bd
🔍 Latest deploy log	https://app.netlify.com/sites/gasta2/deploys/6633a3039bb17a0008ad92dc
😎 Deploy Preview	https://deploy-preview-3--gasta2.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.