addrkit: deterministic address resolution service (Go)

- domain: address normalization/parsing, matching with explicit statuses
- adapters: SQLite registry store, ArcGIS outages client, optional LLM rewriter, HTTP API
- seed pipeline with duplicate handling and unparsed reporting
- CLI (seed/verify/resolve), systemd unit, OpenAPI contract, tests

.gitignore

@@ -0,0 +1,14 @@
+# Build artifacts
+bin/
+
+# Local config and data (never committed)
+config.json
+*.db
+*.db-wal
+*.db-shm
+*.ndjson
+
+# Editor / OS
+.DS_Store
+.idea/
+.vscode/