feat: Initialize frontend and backend structure with essential configurations

- Added TypeScript build info for frontend.
- Created Vite configuration for React application.
- Implemented pre-commit hook to run checks before commits.
- Set up PostgreSQL Dockerfile with PostGIS support and initialization scripts.
- Added database creation script for PostgreSQL with necessary extensions.
- Established Python project configuration with dependencies and development tools.
- Developed pre-commit script to enforce code quality checks for backend and frontend.
- Created PowerShell script to set up Git hooks path.

backend/app/db/session.py

@@ -0,0 +1,24 @@
+from __future__ import annotations
+
+from collections.abc import Generator
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import Session, sessionmaker
+
+from backend.app.core.config import get_settings
+
+settings = get_settings()
+
+engine = create_engine(settings.sqlalchemy_database_url, echo=settings.database_echo, future=True)
+SessionLocal = sessionmaker(bind=engine, autoflush=False, autocommit=False, expire_on_commit=False)
+
+
+def get_db_session() -> Generator[Session, None, None]:
+	session = SessionLocal()
+	try:
+		yield session
+	finally:
+		session.close()
+
+
+__all__ = ["engine", "SessionLocal", "get_db_session"]