Update known ports, includes #1590 (#1698)

README.md

@@ -170,8 +170,9 @@ libphonenumber project. We do not evaluate their quality or influence their
 maintenance processes.
 
 *   C#: https://github.com/aidanbebbington/libphonenumber-csharp
+*   Javascript (stripped-down version): https://github.com/halt-hammerzeit/libphonenumber-js
+*   Objective-c: https://github.com/iziz/libPhoneNumber-iOS
 *   PHP: https://github.com/giggsey/libphonenumber-for-php
+*   PostgreSQL in-database types: https://github.com/blm768/pg-libphonenumber
 *   Python: https://github.com/daviddrysdale/python-phonenumbers
 *   Ruby: https://github.com/mobi/telephone_number
-*   Javascript (stripped-down version): https://github.com/halt-hammerzeit/libphonenumber-js
-*   Objective-c: https://github.com/iziz/libPhoneNumber-iOS