update readme and docs to include clades tool
@@ -41,7 +41,8 @@ We issued weekly Situation Reports for the first ~5 months of the pandemic. You
### FAQs
- Can't find your sequences in Nextstrain? Check [here](./docs/data_faq.md) for common reasons why your sequences may not be appearing.
-- For information about how clades are defined, and the currently named clades, please see [here](./docs/naming_clades.md).
+You can also use [clades.nextstrain.org](https://clades.nextstrain.org/) to perform some basic quality control on your sequences. If they are flagged by this tool, they will likely be excluded by our pipeline.
+- For information about how clades are defined, and the currently named clades, please see [here](./docs/naming_clades.md). To assign clades to your own sequences, you can use our clade assignment tool at [clades.nextstrain.org](https://clades.nextstrain.org/).
### Bioinformatics notes
