docs added keywords

[skip ci]

docs/database/query-builder.mdx

@@ -2,7 +2,7 @@
 sidebar_position: 1
 sidebar_label: Query Builder
 description: TinyORM's database query builder provides a convenient, fluent interface to creating and running database queries. It can be used to perform most database operations in your application. The query builder uses QSqlQuery parameter binding to protect your application against SQL injection attacks. There is no need to clean or sanitize strings passed to the query builder as query bindings.
-keywords: [c++ orm, database, query builder, tinyorm]
+keywords: [c++ orm, sql, c++ sql, c++ query builder, database, query builder, tinyorm]
 ---
 
 # Database: Query Builder