Contributing to scientific python page

[BerylKanali]

Description: What does this implement/fix? Explain your changes.

Create the contributing to scientific python page.

Reference: Issue or Pull Request (PR)

• Towards create page: Contributing to Scientific Python #88

Reminders

• Did you review the CONTRIBUTING GUIDE?
• Did you reference an issue or another pull request?

Any other comments?

[welcome]

💖 Thanks for opening this pull request! 💖 Data Umbrella community really appreciates your time and effort to contribute to the project. Please make sure you have read our Contributing Guidelines and filled in our pull request template to the best of your ability.

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[reshamas]

@BerylKanali: we need to add this to the menu.

For menu items, use this file:
snowlake-v1.2/_data/navigation.yml

[reshamas]

https://ericmjl.github.io/software-testing-open-source-and-data-science/talk.html#/

[reshamas]

https://github.com/numpy/archive/blob/main/content/data_umbrella_dec_2_2020/data_umbrella.ipynb

[welcome]

Congrats on merging your first pull request! 🎉 We here at Data Umbrella are proud of you! 💖 Thank you so much for your contribution 🎁