Add Peter Krevenets to Contributors list

[GuRuGuMaWaRu]

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[Roshanjossey]

@GuRuGuMaWaRu, I'm quite elated about your PR. I wanna evolve this project to addresses various problems faced by first-time contributors. I'd love to learn about your journey in open source community, the problems, pain points you had etc.
Could you explain how you felt when you went through the tutorial, made a PR and learned that I merged it?

[GuRuGuMaWaRu]

@Roshanjossey, there is literally no journey to talk about as I'm yet to start it, but I'm grateful for this opportunity to try and make a PR - it actually felt good, even though it is a small thing!
I think it is a really good idea to implement version control in learning environment - even thought how wonderful it would be if all code challenge resources (like codewars, leet etc.) required making PRs to solve problems.

[Roshanjossey]

@GuRuGuMaWaRu: I agree version control is an awesome tool to have around when you're learning.
It gives you a lot of flexibility and freedom to explore.
I’d urge you to continue contributing to other open source projects.
We also have a slack team to help/mentor people trying to contribute to open source projects.
You can join the team by going to https://firstcontributions.herokuapp.com