🚀 Feature: add ics file

[tjwds]

Bug Report Checklist

• [X] I have tried restarting my IDE and the issue persists.
• [X] I have pulled the latest main branch of the repository.
• [X] I have searched for related issues and found none that matched my issue.

Overview

Let's add some way for folks to be able to add the JS club to their calendars.

Additional Info

No response