Doc: Add 'Development' section to Product Information'


The Qt Project was already referenced in section 'Documentation and
Information Infrastructure', but not really explained.

Pick-to: 6.12
Change-Id: Ic7f7e2b03f8f090c1fc68ee8add11f810d81c8c3
Reviewed-by: Alexei Cazacov <alexei.cazacov@qt.io>
commit8afcd5098b84f34eb5f5c80ecc06fd29d83aefb2
parent368539b4b433e36e080d790442b68c0efc741d78
authorKai Koehne <kai.koehne@qt.io>
committerKai Koehne <kai.koehne@qt.io>
commit timeThu, 8 Oct 2026 11:00:30 +0000