issue #13: Add the pod!

[LiubovRukhlina]

Please, go through these steps before you submit a PR.

I added info about our pod members, pictures, and fixed CSS to fit all the members on the main page.

• [x] My Pod Leader knows I'm working on this Pull Request
• [x] I've explained what the Pull Request is adding.
• [x] I've explained why this is important.

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