"The 5 Most Under-Rated Tools on Hugging Face" post improvements

[sergiopaniego]

fixes #2319.

Currently covers the following issues:

• [x] which makes It a great way -> It capitalization.
• [x] (though you could programmatically do it!) could!). -> could!) may be removed.
• [x] application ( detailed in th -> ( d unneeded space.
• [ ] Figure 4: Project Webhooks [^1] -> [^1] is a reference?
• [ ] I’ve come across many [use-cases](https://huggingface.co/spaces/Leaderboard-Organization/leaderboard-backend) that visualizing -> the link gives a 404.

@datavistics may review it if possible 😄

[datavistics]

I fixed your 4th one. The last one is because its a private org and I didnt realize... Great catches!