Refactoring / Naming things: Use "solution" instead of "use case" a bit

Author: amotl

docs/index.md

@@ -313,7 +313,7 @@ connect/index
 feature/index
 Ingestion <ingest/index>
 topic/index
-use/index
+solution/index
 integrate/index
 admin/index
 performance/index

docs/use/analytics/index.md renamed to docs/solution/analytics/index.md

@@ -1,5 +1,5 @@
 (use-cases)=
-# Use Cases
+# Solutions and use cases
 
 Learn how others are using CrateDB to build data management solutions and platforms.
 
@@ -21,6 +21,19 @@ derives many foundational features from.
 :gutter: 2
 
 
+:::{grid-item-card} {material-outlined}`search;2em` Search
+:link: search-overview
+:link-type: ref
+:link-alt: About CrateDB's search features
+
+CrateDB enables you to build powerful search experiences for websites,
+applications, and enterprise data.
++++
+**What's inside:**
+Full-text search, Geo search, Vector search, Hybrid search.
+:::
+
+
 :::{grid-item-card} {material-outlined}`analytics;2em` Raw-Data Analytics
 :link: analytics
 :link-type: ref