VED-804 Move record processor to Python Lambdas directory

[dlzhry2nhs]

Summary

• Routine Change

Key changes:

• Standard moving of the directory and updating relevant locations e.g. terraform, makefiles, Dockerfile so that project still builds.
• Shared functionality used: clients, logging helpers, errors.
• Managed to remove some unused constants and duplicated Test Setup & Teardown methods.
• Other than that, any code changes are broadly some of the Sonar warnings that got flagged as the code got moved.
• Created a more detailed README for the recordprocessor.

Any more complex changes - e.g. consolidating audit table functions and constants between batch system lambdas - I have raised VED-881.

Reviews Required

• Dev

Review Checklist

ℹ️ This section is to be filled in by the reviewer.

• I have reviewed the changes in this PR and they fill all or part of the acceptance criteria of the ticket, and the code is in a mergeable state.
• If there were infrastructure, operational, or build changes, I have made sure there is sufficient evidence that the changes will work.
• I have ensured the changelog has been updated by the submitter, if necessary.

[github-actions]

This branch is working on a ticket in the NHS England VED JIRA Project. Here's a handy link to the ticket:

VED-804

[sonarqubecloud]

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
94.0% Coverage on New Code
1.4% Duplication on New Code

See analysis details on SonarQube Cloud