Publish curated VacatureRadar source snapshot

ARCHITECTURE.md

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+# Architectuur
+
+VacatureRadar gebruikt een Django-modulaire monoliet met PostgreSQL, Redis en Celery. Bedrijfsregels staan in domeinservices, views en tasks orkestreren en bronadapters leveren `ExtractionResult` zonder databasewrites.
+
+Lees verder:
+
+- [Systeemarchitectuur](docs/architecture/SYSTEM_ARCHITECTURE.md)
+- [Datastroom](docs/architecture/DATA_FLOW.md)
+- [Datamodel](docs/architecture/DATA_MODEL.md)
+- [Bronadapters](docs/architecture/SOURCE_ADAPTERS.md)
+- [Securityarchitectuur](docs/architecture/SECURITY_ARCHITECTURE.md)
+- [Scoring](docs/architecture/SCORING_ENGINE.md)