feat: add email domains (#1895)

Implemented Email Domains which allows Platform/Enterprise customers to
send emails to recipients using their custom emails.

packages/lib/universal/id.ts

@@ -11,7 +11,9 @@ export const prefixedId = (prefix: string, length = 16) => {
 };
 
 type DatabaseIdPrefix =
+  | 'email_domain'
   | 'org'
+  | 'org_email'
   | 'org_claim'
   | 'org_group'
   | 'org_setting'