add example app.py with greetings (#3)

- add example app.py with greetings (4821c6509e2c76611f71f6cfad6956828e37b631)


Co-authored-by: Alessio Chessa <aleche28@users.noreply.huggingface.co>

app.py

@@ -0,0 +1,9 @@
+import gradio as gr
+
+
+def greet(name):
+    return "Hello " + name + ", my name is RAMIE!"
+
+
+demo = gr.Interface(fn=greet, inputs="text", outputs="text")
+demo.launch()