refactor: new package gameLogic.staff

- Moving AvaiblePeople, AbstractStaff, Director, Script and ScriptWriter
Third resource: +3500 script writer real names
Functionality <5> showing portraits Improve.

- Showing scriptWriters
- Added all necessary logic for distinction between director and writers
- New abstract super class for directors and scriptwriters
- Generating random 100 writers per game
- Hiring popup: just accepting director or writer list => using generic types

Step for functionality <6>: Script creation