Docs: Update Gemini benchmark results

tests/6_csv_processor/outputs_gemini/gemini-3-pro-preview TEMP_1.5.js

@@ -0,0 +1,19 @@
+const processCSV = async (csv, { filterColumn: fc, filterValue: fv, groupBy: gb, aggregateColumn: ac, operation: op }) => {
+  const { csvParse } = await import('https://esm.sh/d3-dsv@3');
+  
+  const groups = csvParse(csv).reduce((acc, row) => {
+    if (row[fc] == fv) {
+      const k = row[gb], v = +row[ac] || 0;
+      acc[k] ??= { s: 0, c: 0 };
+      acc[k].s += v;
+      acc[k].c++;
+    }
+    return acc;
+  }, {});
+
+  return Object.entries(groups).map(([k, { s, c }]) => ({
+    [gb]: k,
+    result: op === 'count' ? c : op === 'avg' ? s / c : s
+  }));
+};
+export default processCSV;