update databasing system with minimum API, schema parsing and FreeCAD

integration

.env.example

@@ -0,0 +1,12 @@
+# Silo Environment Configuration
+# Copy this file to .env and update values as needed
+
+# PostgreSQL
+POSTGRES_PASSWORD=silodev
+
+# MinIO
+MINIO_ACCESS_KEY=minioadmin
+MINIO_SECRET_KEY=minioadmin
+
+# Silo API (optional overrides)
+# SILO_SERVER_PORT=8080