Unify demo key and filename

main.js

@@ -56,27 +56,27 @@ const pageCategories = [
     title: `ONNX Runtime`,
     description: `ONNX Runtime`,
     demos: {
-      phi2: {
+      ort-phi2: {
         name: 'phi2',
         description: `phi2 from Microsoft`,
         filename: "ort-phi2",
       },
-      sam: {
+      ort-sam: {
         name: 'Segment Anything',
         description: `Segment Anything from https://github.com/guschmue/ort-webgpu/tree/master/segment-anything`,
         filename: "ort-sam",
       },
-      sdturbo: {
+      ort-sdturbo: {
         name: 'Stable Diffusion Turbo',
         description: `Stable Diffusion Turbo from https://github.com/guschmue/ort-webgpu/tree/master/sd-turbo`,
-        filename: "ort-sd-turbo",
+        filename: "ort-sdturbo",
       },
-      tinyllama: {
+      ort-tinyllama: {
         name: 'Tiny Llama',
         description: `Tiny Llama from https://github.com/guschmue/ort-webgpu/tree/master/chat`,
         filename: "ort-tiny-llama",
       },
-      yolo: {
+      ort-yolo: {
         name: 'Yolo',
         description: `Yolo V9 from https://github.com/guschmue/ort-webgpu/tree/master/yolov9`,
         filename: "ort-yolo",