SIENTIAPDE-1243: Initial commit of the model manager project, adding core files and configurations.

This commit introduces the initial project structure, including:
- .env.example: Example environment configuration.
- .github/workflows/quality-gate.yml: CI workflow for quality checks.
- .gitignore: Specifies intentionally untracked files that Git should ignore.
- Makefile: Automation of tasks like docker builds.
- README.md: Project documentation.
- Source code for model management, activities, utils, worker and workflows.
- Test suite.
- Dockerfile for the simulator.
- sonar-project.properties: SonarQube configuration file.
- values.yaml: Helm chart values for deployment.

requirements.txt

@@ -0,0 +1,8 @@
+temporalio
+psycopg2-binary
+sqlalchemy
+asyncua
+redis
+git+ssh://git@github.com/Aignosi/sientia-dataops-library.git@1.4.6
+git+ssh://git@github.com/Aignosi/sientia-mlops-library.git@0.39.0
+prometheus-client