Translate README.md to English

[ZerdoX-x]

Currently it's half English half German.
For example "Verkehrszählung" heading and also some project are described in German too.

[mltbnz]

good point. It kind of developed into this German speaking bubble thing but I am happy you brought it up since intentionally I wanted it to be an international list.

[ZerdoX-x]

I would like to contribute into this but I know English and Russian only :)