Update sv.json & added translation in ContactList.tsx

[MagnusLundqvist]

Pull Request Description Updated sv.json with missing translations. Updated sv.json with some minor changes in translation. Replaced Twitter -> Life Invader, aswell as all "Tweet" & "Retweet" translations in sv.json. Renamed "APPS_MARKETPLACE" from Blocket -> Marknadsplatsen. (Just to not use real life company names.) Added "My Number" translation in ContactList.tsx Added "Nearby Share" translation in ContactList.tsx Added "MY_NUMBER" aswell as "NEARBY_SHARE" in en.json and sv.json, for easy translations or renaming.

Pull Request Checklist:

• [x] Have you followed the guidelines in our Contributing document and Code of Conduct?
• [x] Have you checked to ensure there aren't other open Pull Requests for the same update/change?
• [x] Have you built and tested NPWD in-game after the relevant change?

[itschip]

LGTM! Thank you for your contribution!