Add quantized ONNX weights for transformers.js (in-browser inference)

onnx/decoder_model_merged_quantized.onnx

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d3f4e464ff6b010de29d1b6e74968d72cb5e7a8d951818e172ff4b9a69511428
+size 195096949

onnx/encoder_model_quantized.onnx

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:12ff076d858088e001c2e0e24579431c846772224c27038034d23027691b9f89
+size 92216514