Update README.md

README.md

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 # openapi-scripts
 Scripts used in postprocessing OpenAPI document for ReDoc.
+
 ## Postprocess the JSON file generated by `bufbuild/buf`
 
 ### dereference
+
 Use [@apidevtools/json-schema-ref-parser](https://github.com/APIDevTools/json-schema-ref-parser) to dereference the auto-generated JSON file.
+
 ### Generate code sample
-ToDo
+
+Use [openapi-snippet](https://github.com/ErikWittern/openapi-snippet) to generate code samples automatically.
+
 ### Convert string to int for int32 type in `.proto`
+
 ToDo
 
 ### Import markown files
 
 Embed external Markdown file contents to the `info.description` auto-generated JSON file. See [Redoc documentation](https://redocly.com/docs/api-reference-docs/guides/embedded-markdown/) for more information.
 
-### Add x-logo
+### Add `x-logo`
 
 [`x-logo`](https://github.com/Redocly/redoc/blob/master/docs/redoc-vendor-extensions.md#x-logo) is a [vendor extension](https://swagger.io/specification/#specificationExtensions) from Redoc. It allows you to show a custom logo on the left upper corner of your redoc output.