Dynamic non-frozen router

[mgvs]

Is your feature request related to a problem?

Hi,

I'm using aiohttp-swagger3 for building of an api interface for the app. Unfortunately I'm not able to change router after application is started. I.e. del_route() not available, add_route() after not working tried also app.router._frozen = False/True. What problems can dynamic configuration cause? I've used such configurations in Tornado long ago and it works fine.

Describe the solution you'd like

Dynamic router

Describe alternatives you've considered

Dynamic router

Related component

Server

Additional context

No response

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