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.

.env.example

@@ -0,0 +1,29 @@
+POSTGRES_HOST="paradedb-rw.paradedb.svc.cluster.local"
+POSTGRES_PORT="5432"
+POSTGRES_USER="sientia"
+POSTGRES_PASSWORD="password"
+POSTGRES_DBNAME="sientia"
+POSTGRES_MIN_CONNECTIONS="10"
+POSTGRES_MAX_CONNECTIONS="30"
+
+MLFLOW_HOST="http://sientia-tracker-mlflow-tracking.sientia-tracker.svc.cluster.local"
+MLFLOW_PORT="80"
+MLFLOW_USERNAME="aignosi"
+MLFLOW_PASSWORD="mlflow_password"
+
+OPC_ID="1"
+OPC_URL="opc.tcp://sientia-opc-simulator-opc.sientia.svc.cluster.local:4840"
+
+LOG_LEVEL="DEBUG"
+HTTP_METRICS_PORT="9090"
+HTTP_SDK_METRICS_PORT="9091"
+PROJECT_NAME="sientia-laborious"
+
+TEMPORAL_HOST="temporal-frontend.temporal.svc.cluster.local:7233"
+TEMPORAL_NAMESPACE="laborious"
+
+MONGODB_USERNAME="mongo_user"
+MONGODB_PASSWORD="mongo_db_password"
+MONGODB_URL="my-release-mongodb.mongodb.svc.cluster.local:27017"
+MONGODB_DATABASE="sientia"
+MONGODB_TTL_INDEX_HOURS="1"