missing docs on builder#addErrors

src/commonMain/kotlin/net/sergeych/kiloparsec/KiloClient.kt

@@ -112,6 +112,17 @@ class KiloClient<S>(
                 interfaceBuilder = f
             }
 
+            /**
+             * Import exception (error) registrations from a shared LocalInterface (usually, server side one) to
+             * DRY error registration on both server and client sides.
+             * Normally you need to:
+             *
+             * - Register all your errors in server's LocalInterface
+             *
+             * - In the client builder call [addErrors(serverLocalInterface]
+             *
+             * See also [LocalInterface.registerError] for exception registration
+             */
             fun addErrors(from: LocalInterface<*>) {
                 errorProviders += from
             }