add app and reqs

Signed-off-by: Jason <jasoli@nvidia.com>

app.py

@@ -0,0 +1,16 @@
+import gradio as gr
+import spaces
+import torch
+
+import nemo.collections.tts.models
+
+zero = torch.Tensor([0]).cuda()
+print(zero.device) # <-- 'cpu' 🤔
+
+@spaces.GPU
+def greet(n):
+    print(zero.device) # <-- 'cuda:0' 🤗
+    return f"Hello {zero + n} Tensor"
+
+demo = gr.Interface(fn=greet, inputs=gr.Number(), outputs=gr.Text())
+demo.launch()

requirements.txt

@@ -0,0 +1 @@
+nemo_toolkit[tts]@git+https://github.com/NVIDIA-NeMo/NeMo.git@9551d86f0900403de7acb110b3bfee2b9d6cabdb