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.

alembic.ini

@@ -0,0 +1,38 @@
+[alembic]
+script_location = migrations
+prepend_sys_path = .
+
+# SQLAlchemy database URL is injected from app.core.config.Settings (see migrations/env.py).
+sqlalchemy.url =
+
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers = console
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s