Rework main page and About page text to be more beginner-oriented

### What is the problem or limitation you are having?

The current "About Beeware"-type info feels as though it is written for programmers coming from another language, not beginner programmers.

### Describe the solution you'd like

Once the website is landed, please rework that text.

### Describe alternatives you've considered

-

### Additional context

_No response_