Add/update the quantized ONNX model files and README.md for Transformers.js v3

## Applied Quantizations

### ✅ Based on `model.onnx` *with* slimming

↳ ❌ `int8`: `model_int8.onnx` (added but JS-based E2E test failed)
```
/home/ubuntu/src/tjsmigration/node_modules/.pnpm/[email protected]/node_modules/onnxruntime-node/dist/backend.js:25
__classPrivateFieldGet(this, _OnnxruntimeSessionHandler_inferenceSession, "f").loadModel(pathOrBuffer, options);
^

Error: Could not find an implementation for ConvInteger(10) node with name '/mobilevit/conv_stem/convolution/Conv_quant'
at new OnnxruntimeSessionHandler (/home/ubuntu/src/tjsmigration/node_modules/.pnpm/[email protected]/node_modules/onnxruntime-node/dist/backend.js:25:92)
at Immediate.<anonymous> (/home/ubuntu/src/tjsmigration/node_modules/.pnpm/[email protected]/node_modules/onnxruntime-node/dist/backend.js:67:29)
at process.processImmediate (node:internal/timers:485:21)

Node.js v22.16.0
```
↳ ✅ `uint8`: `model_uint8.onnx` (added)
↳ ✅ `q4`: `model_q4.onnx` (added)
↳ ✅ `q4f16`: `model_q4f16.onnx` (added)
↳ ✅ `bnb4`: `model_bnb4.onnx` (added)

README.md

@@ -7,14 +7,14 @@ https://huggingface.co/apple/mobilevit-small with ONNX weights to be compatible
 
 ## Usage (Transformers.js)
 
-If you haven't already, you can install the [Transformers.js](https://huggingface.co/docs/transformers.js) JavaScript library from [NPM](https://www.npmjs.com/package/@xenova/transformers) using:
+If you haven't already, you can install the [Transformers.js](https://huggingface.co/docs/transformers.js) JavaScript library from [NPM](https://www.npmjs.com/package/@huggingface/transformers) using:
 ```bash
-npm i @xenova/transformers
+npm i @huggingface/transformers
 ```
 
 **Example:** Perform image classification with `Xenova/mobilevit-small`
 ```js
-import { pipeline } from '@xenova/transformers';
+import { pipeline } from '@huggingface/transformers';
 
 // Create an image classification pipeline
 const classifier = await pipeline('image-classification', 'Xenova/mobilevit-small', {

onnx/model_bnb4.onnx

@@ -0,0 +1,3 @@
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+oid sha256:bc9c02e0948cc104ae65c664254c5d1d703a0d93097d41223788a2ad50776022
+size 12592898

onnx/model_q4.onnx

@@ -0,0 +1,3 @@
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+oid sha256:a76335d22418911ed1c16d2adb255866e4d7079ce8d8e10be1a42f8e8eac28fe
+size 12833818

onnx/model_q4f16.onnx

@@ -0,0 +1,3 @@
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+oid sha256:b16a4df0e2454d05379941691f8c546c7f22821c7fea35f6bee097c5cd6f3f2f
+size 7289715

onnx/model_uint8.onnx

@@ -0,0 +1,3 @@
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+oid sha256:363865a989b563df81f63188db8f207ca6af054b1f207602d5ecc831c31805d4
+size 6063282