fix: try/catch around registerFileUrl to handle duplicates

index.html

@@ -166,12 +166,15 @@
 					setStatus('Loading parquet file...', 'info');
 
 					// Register the parquet file from URL
-					await db.registerFileURL(
-						'data.parquet',
-						parquetUrl,
-						duckdb.DuckDBDataProtocol.HTTP,
-						false
-					);
+					try {
+						await db.registerFileURL(
+							'data.parquet',
+							parquetUrl,
+							duckdb.DuckDBDataProtocol.HTTP,
+							false
+						);
+					}
+					catch {}
 
 					setStatus('Executing query...', 'info');