How to add social media share buttons and article breadcrumbs

[Natasha_Dobson]

Can you tell me how to add the following features to appgyver please (see example image attached)?

1. add social media share buttons to the top and bottom of articles
2. add breadcrumbs to the top of articles
3. dynamically add author names, which can be hyperlinked to pages on the author please?

Thank you, Natasha