fix(video): add migration script

alembic/versions/530f0663324e_add_recording_video_start_time.py

@@ -0,0 +1,34 @@
+"""add Recording.video_start_time
+
+Revision ID: 530f0663324e
+Revises: 8713b142f5de
+Create Date: 2024-02-16 10:31:05.020772
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+from openadapt.models import ForceFloat
+
+
+# revision identifiers, used by Alembic.
+revision = '530f0663324e'
+down_revision = '8713b142f5de'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('recording', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('video_start_time', ForceFloat(precision=10, scale=2, asdecimal=False), nullable=True))
+
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('recording', schema=None) as batch_op:
+        batch_op.drop_column('video_start_time')
+
+    # ### end Alembic commands ###