Fixing minor errors

Fixing minor errors

Revision and new conceptual design of the handbook.

Supplemented tasks in English from version 0.6.1. Added separate tasks and manual PDF.

Adapted signals for left- and right-hand traffic

reworking of game mechanics together with tasks and figures

extended tasks for routes

added routes and route locking

minor improvements and some refactoring

added Material for paper based game:

• papercut tracks, signals, and trains
• collection of trains with appropriate driving dynamics
• protocol template minor improvements and some refactoring

• neutral design
• english version

created this manual.

extended educational game with block logic.

created first papercut prototype with driving dynamics.