Suggestion: A few typo fixes on the tinygs.com homepage

Here are a few minor typo fixes on the home page of TinyGS. I can't find the repository for it, but I'd be happy to put together a PR if you can share where the source is hosted.

<img width="1293" height="846" alt="Image" src="https://github.com/user-attachments/assets/2b387b23-42e8-4320-b29f-ab8a9923fd4a" />