This commit updates the README.md with project details, including features, technologies, installation instructions, and project structure.
- It also includes a description of the app, features like free-text input, sentiment selection, submitting content to a server, and displaying a Snackbar.
- It updates the form submission logic in `App.kt` to delay showing the "Feedback sent" Snackbar by 1 second.
Closes#2
Reviewed-on: #21
Co-authored-by: Ben Martin <ben.martin@sky.uk>
Co-committed-by: Ben Martin <ben.martin@sky.uk>
