Modelled after Amazon's star rating, with half star accuracy.
Start with mix setup, then run mix phoenix.server to start the web server.
Open web browser with url localhost:4000
Usage:
# Readonly
<.rating value={3.5} max={5} class="w-4 h-4" />
# Read/write
<.rating
id="rating"
value={@rating}
max={5}
class="cursor-pointer w-5 h-5"
phx-click="rating-click"
/>
