add html sample

pet.html

@@ -0,0 +1,24 @@
+---
+title: Pet Classifier
+layout: page
+---
+
+<input id="photo" type="file">
+<div id="results"></div>
+<script>
+  async function loaded(reader) {
+    const response = await fetch('https://hf.space/embed/etiennefd/minimal/+/api/predict', 
+      method: "POST", body: JSON.stringify({"data": [reader.result] }),
+      headers:  { "Content-Type": "application/json"}
+    )};
+    const json = await response.json();
+    const label = json['data'][0]['confidences'][0]['label'];
+    results.innerHTML = `<br/><img src="${reader.result}" width="300"> <p>${label}</p>`
+  }
+  function read() {
+    const reader = new FileReader();
+    reader.addEventListener('load', () => loaded(reader))
+    reader.readAsDataURL(photo.files[0]);
+  }
+  photo.addEventListener('input', read);
+</script>