Hi Nicolas,
As discusses D24568#546289 ff. this page was accidentally missed out in the great page moving many moons ago.
As you seem the one with the tools and knowledge, could you please move that page now as well?
https://techbase.kde.org/Policies/Frameworks_Coding_Style
->
https://community.kde.org/Policies/Frameworks_Coding_Style
Ideally we would also document this as HOWTO somewhere, so other people could do this when you are not around :;)