feat(manufacturers): add manufacturer logo support

backend/alembic/versions/c9a1e6f4b2d0_add_manufacturer_logo_fields.py

@@ -0,0 +1,29 @@
+"""add_manufacturer_logo_fields
+
+Revision ID: c9a1e6f4b2d0
+Revises: b37af859a415
+Create Date: 2026-04-01 16:30:00.000000
+
+"""
+
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = "c9a1e6f4b2d0"
+down_revision: Union[str, Sequence[str], None] = "b37af859a415"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    with op.batch_alter_table("manufacturers") as batch_op:
+        batch_op.add_column(sa.Column("logo_file_path", sa.String(length=500), nullable=True))
+
+
+def downgrade() -> None:
+    with op.batch_alter_table("manufacturers") as batch_op:
+        batch_op.drop_column("logo_file_path")