-- Add migration script here CREATE TABLE hosted_projects (    id INT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,    channel_id INT NOT NULL REFERENCES channels(id),    name TEXT NOT NULL,    visibility TEXT NOT NULL,    deleted_at TIMESTAMP NULL);CREATE INDEX idx_hosted_projects_on_channel_id ON hosted_projects (channel_id);CREATE UNIQUE INDEX uix_hosted_projects_on_channel_id_and_name ON hosted_projects (channel_id, name) WHERE (deleted_at IS NULL);