feat(functions): add node terraform example

[cyclimse]

Summary

Add a simple NodeJS + Terraform example

This example is a simple RSS reader that reposts a filtered RSS feed. The filter looks for keywords in post titles.

To test it, I've run through the README. Here's what it looks like using the Feedbro Firefox extension:

Checklist

• [x] I have reviewed this myself.
• [x] I have attached a README to my example. You can use this template as reference.
• [ ] I have updated the project README to link my example.

Details