Add info about "Flutter CTO Report" on the main website

[mateuszwojtczak]

What information needs to be added?

To celebrate another Flutter birthday last week, we published the Flutter CTO Report on our LeanCode website.

Whitepapers / reports / surveys are a great tool for companies that are considering Flutter but are still fighting some uncertainty and doubt, and there's a great chance they would look for that info on the Flutter website.

Our Flutter CTO Report and other whitepapers might be that helpful tools they would find on flutter.dev

cc @craiglabenz who contributed to the report himself :)

Where should this new content appear?

I'd expect to see this type of content on the main flutter.dev website rather than docs.

I would like to fix this problem.

• I will try and fix this problem on docs.flutter.dev.

[sfshaza2]

@mateuszwojtczak, @craiglabenz, that seems ok with me. Ownership of the "marketing website" (as we call it) is in a bit of flux at the moment. If this slips through the cracks, ping us again in the new year.

[craiglabenz]

Once we publish our own whitepaper, I absolutely want to include mention of 3P whitepapers (like LeanCode's) on the same page. +1 to all of what @sfshaza2 said.