fix indents in index, add query-data

Author: Marcinthecloud

src/content/docs/r2/sql/index.mdx

@@ -2,11 +2,11 @@
 pcx_content_type: navigation
 title: R2 SQL
 sidebar:
-	order: 7
-	group:
-		badge: Beta
+  order: 7
+  group:
+    badge: Beta
 head: []
-description: Query your R2 Data Catalog tables with R2 SQL.
+description: A distributed SQL engine for R2 Data Catalog
 ---
 
 ## Efficiently Query Apache Iceberg tables in R2 Data Catalog Using R2 SQL.