Cleaning up more list nesting and whitespace

doc/architecture/blueprints/ai_gateway/index.md

doc/architecture/blueprints/ci_pipeline_components/index.md

doc/architecture/blueprints/ci_pipeline_processing/index.md

doc/architecture/blueprints/gitlab_ci_events/index.md

...hitecture/blueprints/modular_monolith/bounded_contexts.md

...ecture/blueprints/modular_monolith/packages_extraction.md

doc/architecture/blueprints/runner_tokens/index.md

doc/development/ai_features/duo_chat.md

doc/development/application_limits.md

doc/development/application_slis/index.md

doc/development/application_slis/sidekiq_execution.md

doc/development/architecture.md

doc/development/cicd/index.md

doc/development/cicd/templates.md

doc/development/contributing/merge_request_workflow.md

doc/development/dangerbot.md

doc/development/database/batched_background_migrations.md

doc/development/database/deleting_migrations.md

doc/development/database_review.md

doc/development/documentation/review_apps.md