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.

migrations/script.py.mako

@@ -0,0 +1,26 @@
+"""Alembic generic revision script."""
+<%text>
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+</%text>
+
+from __future__ import annotations
+
+from alembic import op
+import sqlalchemy as sa
+
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+def upgrade() -> None:
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade() -> None:
+    ${downgrades if downgrades else "pass"}