[SV PhoneNumbers] Add support for Swedish phone numbers

[pete1854]

Adding support for phone numbers. Format should reflect format specified by PTS (Swedish Post and Telecom Authority). The specification can be found here: https://www.pts.se/globalassets/startpage/dokument/bransch/telefoni/nummerplan/the-swedish-numbering-plan-for-telephony-accordning-to-itu---2018-07-04.pdf and further explained here: https://sv.m.wikipedia.org/wiki/Telefonnummer

All test pass.