Fix broken doc links

doc/administration/geo/replication/configuration.md

doc/administration/gitaly/praefect.md

doc/administration/integration/plantuml.md

doc/administration/load_balancer.md

doc/administration/operations/puma.md

doc/administration/packages/container_registry.md

doc/administration/pages/index.md

doc/administration/reference_architectures/10k_users.md

doc/administration/reference_architectures/25k_users.md

doc/administration/reference_architectures/2k_users.md

doc/administration/reference_architectures/3k_users.md

doc/administration/reference_architectures/50k_users.md

doc/administration/reference_architectures/5k_users.md

doc/development/architecture.md

doc/development/contributing/index.md

doc/development/database/database_lab.md

doc/development/fe_guide/source_editor.md

doc/index.md

doc/install/aws/manual_install_aws.md

doc/install/azure/index.md