Installing the mod
The current compiled mod can be found under \GTAV_Script\bin\Release. 
It is a .asi file that has to be put into the GTA V folder.
To run the mod requires script hook v to be installed.
It can be downloaded here:
http://www.dev-c.com/gtav/scripthookv/ or https://www.gta5-mods.com/tools/script-hook-v/

Using the mod
While in the game press F5 to activate the mod. This will 
- freeze the ingame time
- set the weather to sunny
- make the player invincible
- disable the polices reaction to the player
and
- enable the barcode interface

F6 - spawn a bicycle
F7 - teleport the player to training area (airport)
F8 - teleport the player to traffic simulation area (industrial area)

Compiling the mod
To compile the mod Visual Studio 2019 or newer is required with plugins to develop and compile c++ desktop applications.
With this installed, the GTAV_Script.sln file can be opened and compiled.