Docs: Update Gemini benchmark results

tests/11_geospatial/outputs_gemini/gemini-3-pro-preview TEMP_1.5.js

@@ -0,0 +1,13 @@
+const analyzeGPS = async (readings, boundary) => {
+  const turf = await import('https://cdn.jsdelivr.net/npm/@turf/turf/+esm');
+  
+  const pts = readings
+    .filter(r => turf.booleanPointInPolygon(turf.point(r.loc), boundary, { ignoreBoundary: true }))
+    .sort((a, b) => a.ts - b.ts)
+    .map(r => r.loc);
+
+  return pts.length < 2 
+    ? 0 
+    : +turf.length(turf.lineString(pts), { units: 'kilometers' }).toFixed(2);
+};
+export default analyzeGPS;