Send mailing list emails

Signed-off-by: Sacha Al Himdani <sacha@getprobo.com>

pkg/coredata/migrations/20260305T120000Z.sql

@@ -0,0 +1,18 @@
+CREATE TYPE mailing_list_update_status AS ENUM ('DRAFT', 'ENQUEUED', 'PROCESSING', 'SENT');
+
+CREATE TABLE mailing_list_updates (
+    id TEXT PRIMARY KEY,
+    tenant_id TEXT NOT NULL,
+    organization_id TEXT NOT NULL REFERENCES organizations(id) ON UPDATE CASCADE ON DELETE CASCADE,
+    mailing_list_id TEXT NOT NULL REFERENCES mailing_lists(id) ON UPDATE CASCADE ON DELETE CASCADE,
+    title TEXT NOT NULL,
+    body TEXT NOT NULL,
+    status mailing_list_update_status NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL,
+    updated_at TIMESTAMP WITH TIME ZONE NOT NULL
+);
+
+ALTER TABLE emails
+ADD COLUMN reply_to TEXT,
+ADD COLUMN unsubscribe_url TEXT,
+ADD COLUMN mailing_list_update_id TEXT REFERENCES mailing_list_updates(id) ON DELETE SET NULL;