feat: add Docker support and database migrations

- Created Dockerfile for building and running the application with Uvicorn.
- Added docker-compose.yml to manage application and PostgreSQL service.
- Introduced Alembic migrations with initial schema for CRM domain objects.
- Configured async SQLAlchemy engine for migrations.
- Updated dependencies in uv.lock to include asyncpg, passlib, and pyjwt.

docker-compose.yml

@@ -0,0 +1,28 @@
+services:
+  app:
+    build:
+      context: .
+      dockerfile: app/Dockerfile
+    command: uvicorn app.main:app --host 0.0.0.0 --port 8000
+    env_file:
+      - .env
+    environment:
+      DATABASE_URL: postgresql+asyncpg://postgres:postgres@postgres:5432/test_task_crm
+    ports:
+      - "8000:8000"
+    depends_on:
+      - postgres
+
+  postgres:
+    image: postgres:16-alpine
+    environment:
+      POSTGRES_DB: test_task_crm
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    ports:
+      - "5432:5432"
+
+volumes:
+  postgres_data: