Add Kubernetes environments for Preprod and Test

[TsybulkaM]

This PR introduces separate Kubernetes environments with Tailscale exposure for both Preprod and Test stages.
https://github.com/orgs/LogicWayTeam/projects/2?pane=info&statusUpdateId=143238

Integrated with Tailscale Kubernetes Operator to expose services securely.

[Copilot]

Pull Request Overview

This PR introduces Kubernetes configurations for separate Preprod and Test environments with Tailscale integration for secure service exposure. The changes establish infrastructure-as-code for multi-environment deployments while updating application configurations to support development workflows.

• Added complete Kubernetes manifests for test and preprod environments with Tailscale operator integration
• Updated Django applications to use development settings and reorganized Python dependencies
• Created deployment scripts and updated documentation for the new environment structure

Reviewed Changes

Copilot reviewed 21 out of 22 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
route_engine/route_engine/wsgi.py	Changed Django settings module from prod to dev
route_engine/route_engine/settings/dev.py	Added CORS configuration for development
route_engine/route_engine/asgi.py	Updated Django settings module to dev
pyproject.toml	Moved pytest-django to dev dependencies and added new dev tools
logicway/logicway/asgi.py	Updated Django settings module to dev
k8s/test-env/services/*.yaml	Created Kubernetes services for test environment with Tailscale annotations
k8s/test-env/configmap.yaml	Added test environment configuration with Tailscale URLs
k8s/preprod-env/services/*.yaml	Created Kubernetes services for preprod environment with Tailscale annotations
k8s/preprod-env/configmap.yaml	Added preprod environment configuration with Tailscale URLs
k8s/base/secret.yaml	Removed inline comments from base64 encoded values
k8s/base/configmap.yaml	Updated URLs to use relative paths instead of minikube IPs
k8s/apply_test.sh	Created deployment script for test environment
k8s/apply_preprod.sh	Created deployment script for preprod environment
k8s/README.md	Updated documentation to reference k3s instead of minikube
.github/workflows/django-linter.yml	Updated CI to use poetry for dependency management

Comments suppressed due to low confidence (1)

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