Add ownerId for apps

This tracks who installed the app.

migrations/schema.sql

@@ -86,6 +86,9 @@ CREATE TABLE IF NOT EXISTS apps(
     oldConfigJson TEXT, // used to pass old config to apptask (configure, restore)
     updateConfigJson TEXT, // used to pass new config to apptask (update)
 
+    ownerId VARCHAR(128),
+
+    FOREIGN KEY(ownerId) REFERENCES users(id),
     FOREIGN KEY(domain) REFERENCES domains(domain),
     PRIMARY KEY(id));
 
@@ -143,6 +146,10 @@ CREATE TABLE IF NOT EXISTS domains(
     configJson TEXT, /* JSON containing the dns backend provider config */
     tlsConfigJson TEXT, /* JSON containing the tls provider config */
 
+    ownerId VARCHAR(128),
+
+    FOREIGN KEY(ownerId) REFERENCES users(id),
+
     PRIMARY KEY (domain))
 
     /* the default db collation is utf8mb4_unicode_ci but for the app table domain constraint we have to use the old one */