PROMO(OG): Add id-breadcrumbs

[azinit]

Description

Add breadcrumbs generation based on docId

• Split by tokens and filter from last one
• Merge tokens by "unicode pointer"
• Add upper case

// id => breadcrumbsLabel
"concepts/cross-communication"  => "Concepts"
"concepts/issues/cross-imports" => "Concepts › Issues"
"reference/layers/shared"       => "Reference › Layers"
"guides/migration/from-legacy"  => "Guides › Migration"

Reference

See parent task