replace asciidocalypse elasticsearch-rs links

Author: colleenmcginnis

docset.yml

@@ -33,6 +33,7 @@ cross_links:
   - elasticsearch-net
   - elasticsearch-php
   - elasticsearch-py
+  - elasticsearch-rs
   - elasticsearch-ruby
   - go-elasticsearch
   - integration-docs

solutions/search/site-or-app/clients.md

@@ -21,7 +21,7 @@ applies_to:
 - [Python](asciidocalypse://docs/elasticsearch-py/docs/reference/index.md)
   - [Eland](eland://reference/index.md) (Python client and toolkit for DataFrames and machine learning)
 - [Ruby](asciidocalypse://docs/elasticsearch-ruby/docs/reference/index.md)
-- [Rust](asciidocalypse://docs/elasticsearch-rs/docs/reference/index.md)
+- [Rust](elasticsearch-rs://reference/index.md)
 
 ## Community-contributed client libraries