title: Get Clients and Scopes from database in identity server 4
body: <p>I want to read Scopes and Clients from database instead of InMemoryClients &amp; InMemoryScopes in Identity Server 4. i read <a href="https://stackoverflow.com/questions/40738096/getting-scopes-and-clients-from-database-instead-of-inmemoryclients-inmemorysc">question</a>, but its about identity version3 and i cant find <code>IScopeStore</code> and <code>IClientStore</code> interface which exist in v3. how can i do it?</p>