keycode

[VaishnaviMandloi]

🛠️ Fixes Issue #409

👨‍💻 Changes proposed

folder keycode add , that consist files manifest.json index.html style.css script.js add a extension which pop out a tab in which one search the codes of keys of keyboard.You get the kecodes of keys of keyboard. Like if press a then actual key is a , keycode is 65 , code is keyA .

✔️ Check List (Check all the applicable boxes)

• [x] My code follows the code style of this project.
• [x] This PR does not contain plagiarized content.
• [x] The title of my pull request is a short description of the requested changes.

📄 Note to reviewers

I am a GSSOC'22 contributor

📷 Screenshots

[VaishnaviMandloi]

Good work @VaishnaviMandloi thank you