onClick doesn't want to work, even with the islands, so back to the drawing board
Frontend
Your new Fresh project is ready to go. You can follow the Fresh "Getting Started" guide here: https://fresh.deno.dev/docs/getting-started
Usage
Make sure to install Deno: https://deno.land/manual/getting_started/installation
Then start the project:
deno task start
This will watch the project directory and restart as necessary.