feat: custom app icon (#7196)

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

api/migrations/versions/2024_08_15_1001-a6be81136580_app_and_site_icon_type.py

@@ -0,0 +1,39 @@
+"""app and site icon type
+
+Revision ID: a6be81136580
+Revises: 8782057ff0dc
+Create Date: 2024-08-15 10:01:24.697888
+
+"""
+import sqlalchemy as sa
+from alembic import op
+
+import models as models
+
+# revision identifiers, used by Alembic.
+revision = 'a6be81136580'
+down_revision = '8782057ff0dc'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('apps', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('icon_type', sa.String(length=255), nullable=True))
+
+    with op.batch_alter_table('sites', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('icon_type', sa.String(length=255), nullable=True))
+
+    # ### 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('icon_type')
+
+    with op.batch_alter_table('apps', schema=None) as batch_op:
+        batch_op.drop_column('icon_type')
+
+    # ### end Alembic commands ###