Update Elasticsearch solution link in introduction (#7068)

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## Summary
this solution link should link to the ES solution directly, not the
search use case doc

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Author: shainaraskas

get-started/introduction.md

@@ -17,7 +17,7 @@ Whether you're building a search experience, monitoring your infrastructure, or
 
 | Your need | Recommended solution | Best for |
 |-----------|-------------------|----------|
-| Build powerful, scalable searches to quickly search, analyze, and visualize large amounts of data for real-time insights| [{{es}}](/solutions/search.md)<br>• [Get started](/solutions/search/get-started.md)| Developers, architects, data engineers |
+| Build powerful, scalable searches to quickly search, analyze, and visualize large amounts of data for real-time insights| [{{es}}](/solutions/elasticsearch-solution-project.md)<br>• [Get started](/solutions/elasticsearch-solution-project/get-started.md)| Developers, architects, data engineers |
 | Observe and monitor system health and performance, or send telemetry data | [Elastic {{observability}}](/solutions/observability.md)<br>• [Get started](/solutions/observability/get-started.md) | DevOps, SREs, IT operations |
 | Monitor data for anomalous activity, detect, prevent, and respond to security incidents | [{{elastic-sec}}](/solutions/security.md)<br>• [Get started](/solutions/security/get-started.md)| SOC teams, security analysts, IT security admins |