feat: initial implementation of metadata aggregator

- gRPC service with MusicBrainz provider - PostgreSQL schema with migrations - Service layer with database-first caching - Repository pattern for data access - YAML configuration support - Research documentation for 17 music metadata projects
2026-04-28 16:27:14 +02:00
commit a1f6701bac
163 changed files with 95884 additions and 0 deletions
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+server:
+  port: 50051
+
+database:
+  host: localhost
+  port: 5432
+  user: metadata
+  password: metadata
+  name: metadata
+  sslmode: disable