Change Start Now button into Join Amplication for Free button

[dericksozo]

What are your thoughts on this @PazYanoverr? Could changing the copy of the CTA at the top increase conversions?

[PazYanoverr]

@dericksozo - On the website, we concluded that "Start Now" is better.
Can you please check the current analytics and share them?

[PazYanoverr]

@dericksozo - The "Start Now" button in the documentation page probably doesn't have an event connected to it. The PR you shared won't add an event, but will allow us to use the "Pageview" event, which- due to blockers in the client side- may not be issued in some cases-

Anyway, let's continue with the suggested PR, and check the results in a couple of weeks.

[dericksozo]

@PazYanoverr, I just removed the screenshot.

I couldn't find analytics for the start now button on the docs specifically, so I created #507 to add it. I only found analytics for buttons on the website