Docs: Update Gemini benchmark results

tests/6_csv_processor/outputs_gemini/gemini-3-pro-preview TEMP_0.js

@@ -0,0 +1,13 @@
+export const processCSV = async (csv, { filterColumn: fc, filterValue: fv, groupBy: gb, aggregateColumn: ac, operation: op }) => {
+  const { csvParse, rollups, sum } = await import('https://cdn.jsdelivr.net/npm/d3@7/+esm')
+  
+  return rollups(
+    csvParse(csv).filter(d => d[fc] == fv),
+    g => {
+      const s = sum(g, d => +d[ac] || 0)
+      return op === 'count' ? g.length : op === 'sum' ? s : s / g.length
+    },
+    d => d[gb]
+  ).map(([k, v]) => ({ [gb]: k, result: v }))
+}
+export default processCSV;