* fixes committed conflict in README
* adds a devcontainer based on compose
includes mailhog and postgres containers
* adds launch.json for nextjs vscode quick actions
* mentions devcontainer in the readme
* auto prisma migration after creating devcontainer
* remote containers as recommended vscode extension
* adds nextauth url env to dev container
- to show correct links in mails when testing locally
Co-authored-by: Niklas Paulsen <npau@informatik.uni-kiel.de>
Co-authored-by: Matthias Nannt <mail@matthiasnannt.com>