Create automated script with checks for software already installed

[karlhorky]

1. To avoid manual mistakes and double-installs
2. Remove any conflicting software/programs before starting the system setup => Some students have some programs already installed in their computer from previous programming/coding lessons, and this can cause issues when starting the system setup
3. It can also be some steps that the students can take to check the presence of these software and an instructions on how top remove them and clean up the system before installations