Added a postgres sink implementation.

cmd/weatherfeeder/main.go

@@ -23,6 +23,7 @@ import (
 	fksources "gitea.maximumdirect.net/ejr/feedkit/sources"
 
 	wfnormalizers "gitea.maximumdirect.net/ejr/weatherfeeder/internal/normalizers"
+	wfpgsink "gitea.maximumdirect.net/ejr/weatherfeeder/internal/sinks/postgres"
 	wfsources "gitea.maximumdirect.net/ejr/weatherfeeder/internal/sources"
 )
 
@@ -37,6 +38,9 @@ func main() {
 	if err != nil {
 		log.Fatalf("config load failed: %v", err)
 	}
+	if err := wfpgsink.RegisterPostgresSchemas(cfg); err != nil {
+		log.Fatalf("postgres schema registration failed: %v", err)
+	}
 
 	// --- Registries ---
 	srcReg := fksources.NewRegistry()