Mainz trip update
Created by: thomasduhamel
Update for the mission to Mainz.
- Update Unity version to 2021.3.13f1;
- Implements a 3D axis to the participant's view;
- Add more informations on the operator's view of a trial;
- Allow to specify audio files in the JSON configuration and to randomize them;
- Define single trials in the JSON configuration and allow to override its DAFF file;
- Add a local JSON settings files for folders localization;
- Add the possibility not to set any estimations or audio files if ou don't want them in your simulation;
- Implement a JSON safety verification with error logfiles specific for each configuration;
- Recreate the old configurations using the JSON configuration.