Put "Drugshortage" titel right above text. Add Drugshortage chapter Link

[zdavatz]

1. Put Drugshortage titel right above Drugshortage text (2) below.
2. Add Drugshortage chapter link (3) below. Clicking the link jumps right to the Drugshortage anchor.
3. If there is more then one package that has a drugshortage just put the titel again, so it is clear (2) below.