Bundle 'Bygg & Anlegg' addon directly into 'Prosjektportalen365'

[Remi749]

Describe the solution you'd like

Bundle 'Bygg & Anlegg' addon directly 'Prosjektportalen365'

• https://github.com/Puzzlepart/prosjektportalen365-bygganlegg

Reasoning: To not have to maintain two separate repos, as this is almost never the case when working on PP365.

[Remi749]

Done and done, see changelog for upgrade instructions.