FR: #4048 - Add color customization to the chatbot (#4885)

Co-authored-by: crazywoola <427733928@qq.com>

api/migrations/versions/63f9175e515b_merge_branches.py

@@ -0,0 +1,22 @@
+"""merge branches
+
+Revision ID: 63f9175e515b
+Revises: 2a3aebbbf4bb, b69ca54b9208
+Create Date: 2024-06-26 09:46:36.573505
+
+"""
+import models as models
+
+# revision identifiers, used by Alembic.
+revision = '63f9175e515b'
+down_revision = ('2a3aebbbf4bb', 'b69ca54b9208')
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    pass
+
+
+def downgrade():
+    pass

api/migrations/versions/b69ca54b9208_add_chatbot_color_theme.py

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+"""add chatbot color theme
+
+Revision ID: b69ca54b9208
+Revises: 4ff534e1eb11
+Create Date: 2024-06-25 01:14:21.523873
+
+"""
+import sqlalchemy as sa
+from alembic import op
+
+import models as models
+
+# revision identifiers, used by Alembic.
+revision = 'b69ca54b9208'
+down_revision = '4ff534e1eb11'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('sites', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('chat_color_theme', sa.String(length=255), nullable=True))
+        batch_op.add_column(sa.Column('chat_color_theme_inverted', sa.Boolean(), server_default=sa.text('false'), nullable=False))
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('sites', schema=None) as batch_op:
+        batch_op.drop_column('chat_color_theme_inverted')
+        batch_op.drop_column('chat_color_theme')
+
+    # ### end Alembic commands ###