Integrations: move Splunk from data ingestion -> data visualization + add more meta data to pages

[Blargian]

Summary

1. Moves the Splunk page in the sidebar under "Data ingestion" to "Data Visualization"

2. Adds meta data. You can now do this in DWH:

SELECT
    countIf(mapContainsValue(event_params, 'core')) AS core_views,
    countIf(mapContainsValue(event_params, 'partner')) AS partner_views,
    countIf(mapContainsValue(event_params, 'community')) AS community_views
FROM dbt_marts_google_analytics.events_daily
WHERE event_date > today() - INTERVAL 3 DAY

Checklist

• Delete items not relevant to your PR
• URL changes should add a redirect to the old URL via https://github.com/ClickHouse/clickhouse-docs/blob/main/docusaurus.config.js
• If adding a new integration page, also add an entry to the integrations list here: https://github.com/ClickHouse/clickhouse-docs/blob/main/docs/integrations/index.mdx

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Project	Deployment	Preview	Updated (UTC)
clickhouse-docs	Error		Oct 31, 2025 1:04pm