Create OSPARK blog post

[NPDebs]

👍🎉 First of all, thanks for taking the time to contribute! 🎉👍

FOR CONTRIBUTOR

• I have read the CONTRIBUTING.md document

PR Type:

• This PR adds a new blog post
• This PR does something else (explain above)

Resolves #933 .

FOR REVIEWERS

Thanks for taking the time to review! ❤️

Here are the list of things to make sure of:

• The website builds (a check will fail if not)
• All images have been added within the Pull Request and they have Alt text
• If there are paragraphs or text, the key messages are highlighted
• All internal links (within OLS website) use the {% link path_to_file.md %} format
• The preview corresponds to the changes described in the Pull Request
• The code is tidy and passes the linting tests

[netlify]

✅ Deploy Preview for ols-bebatut ready!

Name	Link
🔨 Latest commit	fdd5997
🔍 Latest deploy log	https://app.netlify.com/sites/ols-bebatut/deploys/675ac3f02d490500085b23f3
😎 Deploy Preview	https://deploy-preview-934--ols-bebatut.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[NPDebs]

Hello, lovelies - @joycekao, @yochannah and Bethan (PhD!). 👋
The preview is live now. I will merge once one of you confirm that you're happy with the final output.

Thanks a bunch! ✨

[NPDebs]

Also, if anyone is not loving the current hero image, I found this as well. Let me know what you think.