Migration from an old repo into this one

[IvanFilipov]

A hundreds of thousands of years ago... I have created https://github.com/IvanFilipov/FMI-OOP with the help of the owner of this repo - @Angeld55.

Since then, my repo is completely deprecated. Still, probably we have some interesting examples & materials there, which I think is a good idea to ship here,

So let's discuss this merge/transfer/migration ...