ClickPipes: add get started guide for ABS

[Blargian]

Summary

Adds a new guide for connecting CHC to ABS, along with updates to the ABS get started ClickPipes guide.
Making sure to mention the same-region IP whitelisting limitation and work arounds.

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	Review	Updated (UTC)
clickhouse-docs	Ready	Preview	Jan 28, 2026 4:09pm

2 Skipped Deployments

Project	Deployment	Review	Updated (UTC)
clickhouse-docs-ru	Ignored	Preview	Jan 28, 2026 4:09pm
clickhouse-docs-zh	Ignored	Preview	Jan 28, 2026 4:09pm

[Blargian]

@morsapaes could I please ask you to have a look at the get started guide for Azure ClickPipes when you get a chance?