adds getNodeConfig()

status_go.nim

@@ -168,3 +168,6 @@ proc startLocalNotifications*(): string =
 
 proc stopLocalNotifications*(): string =
   $go_shim.stopLocalNotifications()
+
+proc getNodeConfig*(): string =
+  $go_shim.getNodeConfig()

status_go/impl.nim

@@ -108,3 +108,5 @@ proc stopWallet*(): cstring {.importc: "StopWallet".}
 proc startLocalNotifications*(): cstring {.importc: "StartLocalNotifications".}
 
 proc stopLocalNotifications*(): cstring {.importc: "StopLocalNotifications".}
+
+proc getNodeConfig*(): cstring {.importc: "GetNodeConfig".}