create settings page, full timezone support

app/migrations/versions/d92ccc005d22_.py

@@ -0,0 +1,28 @@
+"""empty message
+
+Revision ID: d92ccc005d22
+Revises: bf65c9f77f9f
+Create Date: 2022-11-23 20:32:41.868230
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'd92ccc005d22'
+down_revision = 'bf65c9f77f9f'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('user', sa.Column('timezone', sa.String(length=20), nullable=True, server_default='UTC'))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('user', 'timezone')
+    # ### end Alembic commands ###