Add application file

app.py

@@ -7,9 +7,7 @@ Original file is located at
     https://colab.research.google.com/drive/18CpMm-9nCuo64vywjq-qJhJF_DWrGavX
 """
 
-!pip install git+https://github.com/kwang2049/nlp4web-codebase.git
-!git clone https://github.com/kwang2049/nlp4web-codebase.git  # You can always check the content of this simple codebase at any time
-!pip install gradio  # we also need this additionally for this homework
+ # we also need this additionally for this homework
 
 """## Pre-requisite code
 

requirements.txt

@@ -0,0 +1,2 @@
+git+https://github.com/kwang2049/nlp4web-codebase.git
+gradio