* adding formatting steps in contribution.md
* adding format to pull request template
* made format instruction shorter
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Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com>
I tried to update the CONTRIBUTING.md file in order to simplify as much as possible the process for the developers which will encourage them to join the project and hence enlarge our community.
Thank you for putting it under review, if there are any changes feel free to ask me to do it.