feat: add getting started for SQS triggers

[cyclimse]

Summary

• Added a simple trigger example for all function languages (node, go, PHP, python, rust)
• Terraform configuration to deploy the functions and create a queue
• Some test files to send messages
• Small pipeline to check basic properties with offline testing framework for node, go, python

Checklist

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

Details

Cockpit logs:

Running send_messages.py scripts:

[norbjd]

Just some nits so I'll approve. Be sure to rerun the tests whatever you change, just to make sure it still works!