## Is your feature request related to a problem?

I'm browsing user data in posthog and I'd like to figure out whether a user has correctly been added to a cohort

## Describe the solution you'd like

Show tab "cohorts" next to "properties" on people page.

## Describe alternatives you've considered

Going through all cohorts.

## Additional context



#### *Thank you* for your feature request – we love each and every one!

posthog/api/person.py
"""
        DEPRECATED in favor of /api/person/?distinct_id={id}
        """
        warnings.warn(
            "/api/person/by_distinct_id/ endpoint is deprecated; use /api/person/ instead.", DeprecationWarning,
        )
        result = self.get_by_distinct_id(request)
        return response.Response(result)
    def get_by_distinct_id(self, request):
        person = self.get_queryset().get(persondistinctid__distinct_id=str(request.GET["distinct_id"]))
        return PersonSerializer(person).data
    @action(methods=["GET"], detail=False)
    def by_email(self, request, **kwargs):
        """
        DEPRECATED in favor of /api/person/?email={email}
        """
        warnings.warn(
            "/api/person/by_email/ endpoint is deprecated; use /api/person/ instead.", DeprecationWarning,
        )
        result = self.get_by_email(request)
        return response.Response(result)
    def get_by_email(self, request):
        person = self.get_queryset().get(properties__email=str(request.GET["email"]))
        return PersonSerializer(person).data
    @action(methods=["GET"], detail=False)
    def properties(self, request: request.Request, **kwargs) -> response.Response:
        result = self.get_properties(request)
        return response.Response(result)
    def get_properties(self, request) -> List[Dict[str, Any]]:
        class JsonKeys(Func):