Merge branch 'main' of https://github.com/ClickHouse/clickhouse-docs into Blargian-patch-965414

Author: Blargian

docs/_placeholders/api/_invitations-api-reference.md

@@ -3,6 +3,7 @@ title: 'FAQ'
 slug: /about-us/faq
 description: 'Landing page'
 doc_type: 'landing-page'
+keywords: ['ClickHouse FAQ', 'frequently asked questions', 'common questions', 'help documentation', 'troubleshooting']
 ---
 
 | FAQ                                                                                                                           |

docs/_placeholders/api/_keys-api-reference.md

@@ -4,6 +4,7 @@ sidebar_label: 'Adopters'
 title: 'ClickHouse Adopters'
 sidebar_position: 60
 description: 'A list of companies using ClickHouse and their success stories'
+keywords: ['ClickHouse adopters', 'success stories', 'case studies', 'company testimonials', 'ClickHouse users']
 doc_type: 'reference'
 ---
 

docs/_placeholders/api/_members-api-reference.md

@@ -1,9 +1,10 @@
 ---
 slug: /about-us/cloud
-sidebar_label: 'Cloud Service'
+sidebar_label: 'Cloud service'
 sidebar_position: 10
 description: 'ClickHouse Cloud'
 title: 'ClickHouse Cloud'
+keywords: ['ClickHouse Cloud', 'cloud database', 'managed ClickHouse', 'serverless database', 'cloud OLAP']
 doc_type: 'reference'
 ---
 

docs/_placeholders/api/_organizations-api-reference.md

@@ -1,6 +1,6 @@
 ---
 slug: /about-us/history
-sidebar_label: 'ClickHouse History'
+sidebar_label: 'ClickHouse history'
 sidebar_position: 40
 description: 'History of ClickHouse development'
 keywords: ['history','development','Metrica']