Neo4jv4.4 poetry

[benedictmulongo]

Changes:

Main:

• Updated Nordiniclient to use Neo4j driver version 4.4.x.

Additional:

• Introduced Poetry as the package manager and build tool.
• Refactored project structure to follow the poetry setup
• Added pyproject.toml for centralized configuration.
• Included dev dependencies for collaboration and standardized project rules.
• Github actions for auto tests (optinal building & publication)