Add GraphQL sort/filter/page crm contacts

app/finders/crm/contacts_finder.rb

app/graphql/resolvers/crm/contact_state_counts_resolver.rb

app/graphql/resolvers/crm/contacts_resolver.rb

app/graphql/types/customer_relations/contact_sort_enum.rb

...hql/types/customer_relations/contact_state_counts_type.rb

app/graphql/types/customer_relations/contact_state_enum.rb

app/graphql/types/group_type.rb

app/models/customer_relations/contact.rb

app/models/customer_relations/contact_state_counts.rb

doc/api/graphql/reference/index.md

spec/features/groups/crm/contacts/create_spec.rb

spec/finders/crm/contacts_finder_spec.rb

...aphql/resolvers/crm/contact_state_counts_resolver_spec.rb

spec/graphql/resolvers/crm/contacts_resolver_spec.rb

...raphql/types/customer_relations/contact_sort_enum_spec.rb

...ypes/customer_relations/contact_state_counts_type_spec.rb

spec/graphql/types/group_type_spec.rb

spec/models/customer_relations/contact_spec.rb

spec/models/customer_relations/contact_state_counts_spec.rb

spec/requests/api/graphql/crm/contacts_spec.rb