Added extruder/bed temp override settings

Closes #4

migrations/versions/2023_05_28_2136-b47376d60c6d_add_extruder_and_bed_temperature_.py

@@ -0,0 +1,32 @@
+"""add extruder and bed temperature override.
+
+Revision ID: b47376d60c6d
+Revises: 684d32cf7e4d
+Create Date: 2023-05-28 21:36:53.452067
+"""
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "b47376d60c6d"
+down_revision = "684d32cf7e4d"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    """Perform the upgrade."""
+    op.add_column(
+        "filament",
+        sa.Column("settings_extruder_temp", sa.Integer(), nullable=True, comment="Overridden extruder temperature."),
+    )
+    op.add_column(
+        "filament",
+        sa.Column("settings_bed_temp", sa.Integer(), nullable=True, comment="Overridden bed temperature."),
+    )
+
+
+def downgrade() -> None:
+    """Perform the downgrade."""
+    op.drop_column("filament", "settings_bed_temp")
+    op.drop_column("filament", "settings_extruder_temp")