Add same-tab property of Bookmarks for widgets or group levels

[K0ng2]

type: bookmarks
groups:
  - title: Social
    same-tab: true
    links:
      - title: Reddit
        url: https://www.reddit.com/
      - title: Twitter
        url: https://twitter.com/
      - title: Instagram
        url: https://www.instagram.com/
      - title: Facebook
        url: https://www.facebook.com/

or

type: bookmarks
same-tab: true
groups:
  - title: Social
    links:
      - title: Reddit
        url: https://www.reddit.com/
      - title: Twitter
        url: https://twitter.com/
      - title: Instagram
        url: https://www.instagram.com/
      - title: Facebook
        url: https://www.facebook.com/

[svilenmarkov]

Hey, thanks for the idea! I'll get this added for each group.